Add 32/28 and 42/90
1st number: 1 4/28, 2nd number: 42/90
32/28 + 42/90 is 169/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
32/28 = 32 × 45/28 × 45 = 1440/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
42/90 = 42 × 14/90 × 14 = 588/1260 - Add the two like fractions:
1440/1260 + 588/1260 = 1440 + 588/1260 = 2028/1260 - 2028/1260 simplified gives 169/105
- So, 32/28 + 42/90 = 169/105
In mixed form: 164/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/28+42/90 32/28+84/90 32/56+42/90 96/28+42/90 32/84+42/90