Add 9/60 and 35/21
1st number: 9/60, 2nd number: 1 14/21
9/60 + 35/21 is 109/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
35/21 = 35 × 20/21 × 20 = 700/420 - Add the two like fractions:
63/420 + 700/420 = 63 + 700/420 = 763/420 - 763/420 simplified gives 109/60
- So, 9/60 + 35/21 = 109/60
In mixed form: 149/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/60+35/21 9/60+70/21 9/60+35/42 27/60+35/21 9/60+35/63 45/60+35/21 63/60+35/21