Add 70/7 and 40/18
1st number: 10 0/7, 2nd number: 2 4/18
70/7 + 40/18 is 110/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
70/7 = 70 × 18/7 × 18 = 1260/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Add the two like fractions:
1260/126 + 280/126 = 1260 + 280/126 = 1540/126 - 1540/126 simplified gives 110/9
- So, 70/7 + 40/18 = 110/9
In mixed form: 122/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7+80/18 70/14+40/18 70/7+40/36 70/21+40/18 70/7+40/54 70/35+40/18 70/7+40/90 70/49+40/18