Add 45/14 and 21/10
1st number: 3 3/14, 2nd number: 2 1/10
45/14 + 21/10 is 186/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
45/14 = 45 × 5/14 × 5 = 225/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Add the two like fractions:
225/70 + 147/70 = 225 + 147/70 = 372/70 - 372/70 simplified gives 186/35
- So, 45/14 + 21/10 = 186/35
In mixed form: 511/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+21/10 45/14+42/10 45/28+21/10 45/14+21/20 45/14+63/10 45/42+21/10 45/14+21/30 45/70+21/10 45/14+21/50 45/98+21/10 45/14+21/70