Add 40/18 and 16/7
1st number: 2 4/18, 2nd number: 2 2/7
40/18 + 16/7 is 284/63.
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,
16/7 = 16 × 18/7 × 18 = 288/126 - Add the two like fractions:
280/126 + 288/126 = 280 + 288/126 = 568/126 - 568/126 simplified gives 284/63
- So, 40/18 + 16/7 = 284/63
In mixed form: 432/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+16/7 40/18+32/7 40/36+16/7 40/18+16/14 40/18+48/7 40/54+16/7 40/18+16/21 40/18+80/7 40/90+16/7 40/18+16/35 40/18+16/49