Add 35/42 and 42/60
35/42 + 42/60 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
35/42 = 35 × 10/42 × 10 = 350/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Add the two like fractions:
350/420 + 294/420 = 350 + 294/420 = 644/420 - 644/420 simplified gives 23/15
- So, 35/42 + 42/60 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+42/60 35/42+84/60 35/84+42/60