Add 35/18 and 81/70
1st number: 1 17/18, 2nd number: 1 11/70
35/18 + 81/70 is 977/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
35/18 = 35 × 35/18 × 35 = 1225/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Add the two like fractions:
1225/630 + 729/630 = 1225 + 729/630 = 1954/630 - 1954/630 simplified gives 977/315
- So, 35/18 + 81/70 = 977/315
In mixed form: 332/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+81/70 35/36+81/70 35/54+81/70 35/90+81/70