Add 16/8 and 42/72
1st number: 2 0/8, 2nd number: 42/72
16/8 + 42/72 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
16/8 = 16 × 9/8 × 9 = 144/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
144/72 + 42/72 = 144 + 42/72 = 186/72 - 186/72 simplified gives 31/12
- So, 16/8 + 42/72 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/8+42/72 16/8+84/72 48/8+42/72 16/24+42/72 80/8+42/72 16/40+42/72 16/56+42/72