Add 4/28 and 15/63
4/28 + 15/63 is 8/21.
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,
4/28 = 4 × 9/28 × 9 = 36/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
36/252 + 60/252 = 36 + 60/252 = 96/252 - 96/252 simplified gives 8/21
- So, 4/28 + 15/63 = 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+15/63 4/28+30/63 4/56+15/63 12/28+15/63 4/28+45/63 4/84+15/63 20/28+15/63 4/28+75/63