Add 10/28 and 12/63
10/28 + 12/63 is 23/42.
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,
12/63 = 12 × 4/63 × 4 = 48/252 - Add the two like fractions:
90/252 + 48/252 = 90 + 48/252 = 138/252 - 138/252 simplified gives 23/42
- So, 10/28 + 12/63 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+12/63 10/28+24/63 10/56+12/63 30/28+12/63 10/28+36/63 10/84+12/63 50/28+12/63 10/28+60/63 70/28+12/63 10/28+84/63