Add 7/42 and 98/63
1st number: 7/42, 2nd number: 1 35/63
7/42 + 98/63 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
7/42 = 7 × 3/42 × 3 = 21/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
98/63 = 98 × 2/63 × 2 = 196/126 - Add the two like fractions:
21/126 + 196/126 = 21 + 196/126 = 217/126 - 217/126 simplified gives 31/18
- So, 7/42 + 98/63 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+98/63 7/84+98/63 21/42+98/63 35/42+98/63 49/42+98/63