Add 81/28 and 30/14
1st number: 2 25/28, 2nd number: 2 2/14
81/28 + 30/14 is 141/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
81/28 = 81 × 1/28 × 1 = 81/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
30/14 = 30 × 2/14 × 2 = 60/28 - Add the two like fractions:
81/28 + 60/28 = 81 + 60/28 = 141/28 - So, 81/28 + 30/14 = 141/28
In mixed form: 51/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+60/14 81/56+30/14 81/28+30/28 81/28+90/14 81/84+30/14 81/28+30/42 81/28+30/70 81/28+30/98