Add 35/10 and 21/60
1st number: 3 5/10, 2nd number: 21/60
35/10 + 21/60 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
35/10 = 35 × 6/10 × 6 = 210/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
210/60 + 21/60 = 210 + 21/60 = 231/60 - 231/60 simplified gives 77/20
- So, 35/10 + 21/60 = 77/20
In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+21/60 35/10+42/60 35/20+21/60 35/10+63/60 35/30+21/60 35/50+21/60 35/70+21/60