Add 16/10 and 21/72
1st number: 1 6/10, 2nd number: 21/72
16/10 + 21/72 is 227/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
16/10 = 16 × 36/10 × 36 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Add the two like fractions:
576/360 + 105/360 = 576 + 105/360 = 681/360 - 681/360 simplified gives 227/120
- So, 16/10 + 21/72 = 227/120
In mixed form: 1107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/10+21/72 16/10+42/72 16/20+21/72 48/10+21/72 16/10+63/72 16/30+21/72 80/10+21/72 16/50+21/72 16/70+21/72