Add 42/20 and 60/7
1st number: 2 2/20, 2nd number: 8 4/7
42/20 + 60/7 is 747/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
60/7 = 60 × 20/7 × 20 = 1200/140 - Add the two like fractions:
294/140 + 1200/140 = 294 + 1200/140 = 1494/140 - 1494/140 simplified gives 747/70
- So, 42/20 + 60/7 = 747/70
In mixed form: 1047/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+60/7 42/40+60/7 42/20+60/14 42/60+60/7 42/20+60/21 42/20+60/35 42/20+60/49