Add 49/28 and 72/42
1st number: 1 21/28, 2nd number: 1 30/42
49/28 + 72/42 is 97/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
72/42 = 72 × 2/42 × 2 = 144/84 - Add the two like fractions:
147/84 + 144/84 = 147 + 144/84 = 291/84 - 291/84 simplified gives 97/28
- So, 49/28 + 72/42 = 97/28
In mixed form: 313/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+72/42 49/56+72/42 49/28+72/84 49/84+72/42