Add 30/28 and 35/7
1st number: 1 2/28, 2nd number: 5 0/7
30/28 + 35/7 is 85/14.
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,
30/28 = 30 × 1/28 × 1 = 30/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
35/7 = 35 × 4/7 × 4 = 140/28 - Add the two like fractions:
30/28 + 140/28 = 30 + 140/28 = 170/28 - 170/28 simplified gives 85/14
- So, 30/28 + 35/7 = 85/14
In mixed form: 61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+35/7 30/28+70/7 30/56+35/7 30/28+35/14 90/28+35/7 30/84+35/7 30/28+35/21 30/28+35/49