Add 42/36 and 18/7
1st number: 1 6/36, 2nd number: 2 4/7
42/36 + 18/7 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
18/7 = 18 × 36/7 × 36 = 648/252 - Add the two like fractions:
294/252 + 648/252 = 294 + 648/252 = 942/252 - 942/252 simplified gives 157/42
- So, 42/36 + 18/7 = 157/42
In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+18/7 42/36+36/7 42/72+18/7 42/36+18/14 42/36+54/7 42/36+18/21 42/36+90/7 42/36+18/35 42/36+18/49