Add 4/7 and 42/60
4/7 + 42/60 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
4/7 = 4 × 60/7 × 60 = 240/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Add the two like fractions:
240/420 + 294/420 = 240 + 294/420 = 534/420 - 534/420 simplified gives 89/70
- So, 4/7 + 42/60 = 89/70
In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+42/60 4/7+84/60 4/14+42/60 12/7+42/60 4/21+42/60 20/7+42/60 4/35+42/60 28/7+42/60 4/49+42/60