Add 80/42 and 63/48
1st number: 1 38/42, 2nd number: 1 15/48
80/42 + 63/48 is 1081/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
80/42 = 80 × 8/42 × 8 = 640/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
63/48 = 63 × 7/48 × 7 = 441/336 - Add the two like fractions:
640/336 + 441/336 = 640 + 441/336 = 1081/336 - So, 80/42 + 63/48 = 1081/336
In mixed form: 373/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+63/48 80/42+63/96