Add 32/28 and 42/18
1st number: 1 4/28, 2nd number: 2 6/18
32/28 + 42/18 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
32/28 = 32 × 9/28 × 9 = 288/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Add the two like fractions:
288/252 + 588/252 = 288 + 588/252 = 876/252 - 876/252 simplified gives 73/21
- So, 32/28 + 42/18 = 73/21
In mixed form: 310/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/28+42/18 32/28+84/18 32/56+42/18 32/28+42/36 96/28+42/18 32/84+42/18 32/28+42/54 32/28+42/90