Add 8/18 and 70/63
1st number: 8/18, 2nd number: 1 7/63
8/18 + 70/63 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Add the two like fractions:
56/126 + 140/126 = 56 + 140/126 = 196/126 - 196/126 simplified gives 14/9
- So, 8/18 + 70/63 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+70/63 8/36+70/63 24/18+70/63 8/54+70/63 40/18+70/63 8/90+70/63 56/18+70/63