Add 16/15 and 18/42
1st number: 1 1/15, 2nd number: 18/42
16/15 + 18/42 is 157/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
16/15 = 16 × 14/15 × 14 = 224/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210 - Add the two like fractions:
224/210 + 90/210 = 224 + 90/210 = 314/210 - 314/210 simplified gives 157/105
- So, 16/15 + 18/42 = 157/105
In mixed form: 152/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+18/42 16/15+36/42 16/30+18/42 16/15+18/84 48/15+18/42 16/15+54/42 16/45+18/42 80/15+18/42 16/15+90/42 16/75+18/42