Add 16/15 and 42/20
1st number: 1 1/15, 2nd number: 2 2/20
16/15 + 42/20 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
16/15 = 16 × 4/15 × 4 = 64/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Add the two like fractions:
64/60 + 126/60 = 64 + 126/60 = 190/60 - 190/60 simplified gives 19/6
- So, 16/15 + 42/20 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+42/20 16/15+84/20 16/30+42/20 16/15+42/40 48/15+42/20 16/45+42/20 16/15+42/60 80/15+42/20 16/75+42/20