Add 24/28 and 42/63
24/28 + 42/63 is 32/21.
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,
24/28 = 24 × 9/28 × 9 = 216/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
42/63 = 42 × 4/63 × 4 = 168/252 - Add the two like fractions:
216/252 + 168/252 = 216 + 168/252 = 384/252 - 384/252 simplified gives 32/21
- So, 24/28 + 42/63 = 32/21
In mixed form: 111/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28+42/63 24/28+84/63 24/56+42/63 72/28+42/63 24/84+42/63