Add 3/60 and 7/42
3/60 + 7/42 is 13/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
7/42 = 7 × 10/42 × 10 = 70/420 - Add the two like fractions:
21/420 + 70/420 = 21 + 70/420 = 91/420 - 91/420 simplified gives 13/60
- So, 3/60 + 7/42 = 13/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+7/42 3/60+14/42 3/60+7/84 9/60+7/42 3/60+21/42 15/60+7/42 3/60+35/42 21/60+7/42 3/60+49/42