Add 25/7 and 98/18
1st number: 3 4/7, 2nd number: 5 8/18
25/7 + 98/18 is 568/63.
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,
25/7 = 25 × 18/7 × 18 = 450/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
98/18 = 98 × 7/18 × 7 = 686/126 - Add the two like fractions:
450/126 + 686/126 = 450 + 686/126 = 1136/126 - 1136/126 simplified gives 568/63
- So, 25/7 + 98/18 = 568/63
In mixed form: 91/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+98/18 25/14+98/18 25/7+98/36 75/7+98/18 25/21+98/18 25/7+98/54 25/35+98/18 25/7+98/90 25/49+98/18