Add 15/28 and 75/56
1st number: 15/28, 2nd number: 1 19/56
15/28 + 75/56 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
15/28 = 15 × 2/28 × 2 = 30/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
75/56 = 75 × 1/56 × 1 = 75/56 - Add the two like fractions:
30/56 + 75/56 = 30 + 75/56 = 105/56 - 105/56 simplified gives 15/8
- So, 15/28 + 75/56 = 15/8
In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+75/56 15/56+75/56 45/28+75/56 15/84+75/56 75/28+75/56