Add 98/18 and 15/63
1st number: 5 8/18, 2nd number: 15/63
98/18 + 15/63 is 358/63.
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,
98/18 = 98 × 7/18 × 7 = 686/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Add the two like fractions:
686/126 + 30/126 = 686 + 30/126 = 716/126 - 716/126 simplified gives 358/63
- So, 98/18 + 15/63 = 358/63
In mixed form: 543/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+30/63 98/36+15/63 98/18+45/63 98/54+15/63 98/18+75/63 98/90+15/63