Add 63/28 and 42/7
1st number: 2 7/28, 2nd number: 6 0/7
63/28 + 42/7 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
63/28 = 63 × 1/28 × 1 = 63/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
42/7 = 42 × 4/7 × 4 = 168/28 - Add the two like fractions:
63/28 + 168/28 = 63 + 168/28 = 231/28 - 231/28 simplified gives 33/4
- So, 63/28 + 42/7 = 33/4
In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28+84/7 63/56+42/7 63/28+42/14 63/84+42/7 63/28+42/21 63/28+42/35 63/28+42/49