Add 42/36 and 63/42
1st number: 1 6/36, 2nd number: 1 21/42
42/36 + 63/42 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 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 42 × 6 = 252,
63/42 = 63 × 6/42 × 6 = 378/252 - Add the two like fractions:
294/252 + 378/252 = 294 + 378/252 = 672/252 - 672/252 simplified gives 8/3
- So, 42/36 + 63/42 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+63/42 42/72+63/42 42/36+63/84