0
Upcoming SlideShare
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Standard text messaging rates apply

# Fractions

537

Published on

Published in: Education, Technology
0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total Views
537
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
12
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Transcript

• 1. ractions ubtracting dding & Presented By: Aisha Mubarak-Sara hamad Supervised By: Dr. A. Al-Failakaway
• 2. Fractions 1 2 / 10 1 / 12 1 / 8 11 / 12 Definition: A fraction is an ordered pair of whole numbers, the 1 st one is usually written on top of the other, such as ½ or ¾ . numerator denominator
• 3. 7, 14, 21, 28, 35… 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 Count by 2's Count by 7's 1-Adding Fractions + Common Denominator is needed to add these fractions.
• 4. + = x 2 x 2 = X 7 x 7 7 6 7 + 6 = 13 Add the numerators 13 Make equivalent fractions.
• 5. More Examples: = = = = = = = = =
• 6. 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55 11, 22, 33, 44, 55, 66, 77… Count by 11's Count by 5's 2-Subtracting Fractions - We need a common denominator to subtract a fraction from another.
• 7. = x 5 x 5 = x 11 x 11 4 15 - 11 = 4 Subtract. Make equivalent fractions. - 15 11
• 8. More Examples:
• 9. Try These A F E B C D
• 10. Try These A F E B C D 17 27 19 20 10 9 41 28 26 21 13 12
• 11. Questions ?