Add 21/4 and 7/60
1st number: 5 1/4, 2nd number: 7/60
21/4 + 7/60 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
21/4 = 21 × 15/4 × 15 = 315/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
7/60 = 7 × 1/60 × 1 = 7/60 - Add the two like fractions:
315/60 + 7/60 = 315 + 7/60 = 322/60 - 322/60 simplified gives 161/30
- So, 21/4 + 7/60 = 161/30
In mixed form: 511/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+7/60 21/4+14/60 21/8+7/60 63/4+7/60 21/4+21/60 21/12+7/60 21/4+35/60 21/20+7/60 21/4+49/60 21/28+7/60