Add 35/28 and 63/20
1st number: 1 7/28, 2nd number: 3 3/20
35/28 + 63/20 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
35/28 = 35 × 5/28 × 5 = 175/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Add the two like fractions:
175/140 + 441/140 = 175 + 441/140 = 616/140 - 616/140 simplified gives 22/5
- So, 35/28 + 63/20 = 22/5
In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+63/20 35/56+63/20 35/28+63/40 35/84+63/20 35/28+63/60