Add 9/28 and 10/7
1st number: 9/28, 2nd number: 1 3/7
9/28 + 10/7 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
9/28 = 9 × 1/28 × 1 = 9/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
10/7 = 10 × 4/7 × 4 = 40/28 - Add the two like fractions:
9/28 + 40/28 = 9 + 40/28 = 49/28 - 49/28 simplified gives 7/4
- So, 9/28 + 10/7 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28+10/7 9/28+20/7 9/56+10/7 9/28+10/14 27/28+10/7 9/28+30/7 9/84+10/7 9/28+10/21 45/28+10/7 9/28+50/7 9/28+10/35 63/28+10/7 9/28+70/7 9/28+10/49