Add 10/28 and 15/63
10/28 + 15/63 is 25/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
90/252 + 60/252 = 90 + 60/252 = 150/252 - 150/252 simplified gives 25/42
- So, 10/28 + 15/63 = 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+15/63 10/28+30/63 10/56+15/63 30/28+15/63 10/28+45/63 10/84+15/63 50/28+15/63 10/28+75/63 70/28+15/63