Add 5/10 and 21/16
1st number: 5/10, 2nd number: 1 5/16
5/10 + 21/16 is 29/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
5/10 = 5 × 8/10 × 8 = 40/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Add the two like fractions:
40/80 + 105/80 = 40 + 105/80 = 145/80 - 145/80 simplified gives 29/16
- So, 5/10 + 21/16 = 29/16
In mixed form: 113/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10+42/16 5/20+21/16 5/10+21/32 15/10+21/16 5/10+63/16 5/30+21/16 5/10+21/48 25/10+21/16 5/50+21/16 5/10+21/80 35/10+21/16 5/70+21/16