Add 9/63 and 63/42
1st number: 9/63, 2nd number: 1 21/42
9/63 + 63/42 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
9/63 = 9 × 2/63 × 2 = 18/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
63/42 = 63 × 3/42 × 3 = 189/126 - Add the two like fractions:
18/126 + 189/126 = 18 + 189/126 = 207/126 - 207/126 simplified gives 23/14
- So, 9/63 + 63/42 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+63/42 9/63+63/84 27/63+63/42 45/63+63/42