Add 49/42 and 63/72
1st number: 1 7/42, 2nd number: 63/72
49/42 + 63/72 is 49/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
49/42 = 49 × 12/42 × 12 = 588/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
588/504 + 441/504 = 588 + 441/504 = 1029/504 - 1029/504 simplified gives 49/24
- So, 49/42 + 63/72 = 49/24
In mixed form: 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+63/72 49/84+63/72