Add 10/28 and 12/7
1st number: 10/28, 2nd number: 1 5/7
10/28 + 12/7 is 29/14.
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,
10/28 = 10 × 1/28 × 1 = 10/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
12/7 = 12 × 4/7 × 4 = 48/28 - Add the two like fractions:
10/28 + 48/28 = 10 + 48/28 = 58/28 - 58/28 simplified gives 29/14
- So, 10/28 + 12/7 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+12/7 10/28+24/7 10/56+12/7 10/28+12/14 30/28+12/7 10/28+36/7 10/84+12/7 10/28+12/21 50/28+12/7 10/28+60/7 10/28+12/35 70/28+12/7 10/28+84/7 10/28+12/49