Add 40/18 and 63/7
1st number: 2 4/18, 2nd number: 9 0/7
40/18 + 63/7 is 101/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
63/7 = 63 × 18/7 × 18 = 1134/126 - Add the two like fractions:
280/126 + 1134/126 = 280 + 1134/126 = 1414/126 - 1414/126 simplified gives 101/9
- So, 40/18 + 63/7 = 101/9
In mixed form: 112/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+63/7 40/36+63/7 40/18+63/14 40/54+63/7 40/18+63/21 40/90+63/7 40/18+63/35 40/18+63/49