Add 49/28 and 7/42
1st number: 1 21/28, 2nd number: 7/42
49/28 + 7/42 is 23/12.
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,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
147/84 + 14/84 = 147 + 14/84 = 161/84 - 161/84 simplified gives 23/12
- So, 49/28 + 7/42 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+7/42 49/28+14/42 49/56+7/42 49/28+7/84 49/28+21/42 49/84+7/42 49/28+35/42 49/28+49/42