Add 15/56 and 42/28
1st number: 15/56, 2nd number: 1 14/28
15/56 + 42/28 is 99/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
15/56 = 15 × 1/56 × 1 = 15/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
42/28 = 42 × 2/28 × 2 = 84/56 - Add the two like fractions:
15/56 + 84/56 = 15 + 84/56 = 99/56 - So, 15/56 + 42/28 = 99/56
In mixed form: 143/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+42/28 15/56+84/28 15/56+42/56 45/56+42/28 15/56+42/84 75/56+42/28