Add 35/18 and 72/7
1st number: 1 17/18, 2nd number: 10 2/7
35/18 + 72/7 is 1541/126.
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,
35/18 = 35 × 7/18 × 7 = 245/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
72/7 = 72 × 18/7 × 18 = 1296/126 - Add the two like fractions:
245/126 + 1296/126 = 245 + 1296/126 = 1541/126 - So, 35/18 + 72/7 = 1541/126
In mixed form: 1229/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+72/7 35/36+72/7 35/18+72/14 35/54+72/7 35/18+72/21 35/90+72/7 35/18+72/35 35/18+72/49