Add 81/70 and 98/10
1st number: 1 11/70, 2nd number: 9 8/10
81/70 + 98/10 is 767/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
81/70 = 81 × 1/70 × 1 = 81/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
98/10 = 98 × 7/10 × 7 = 686/70 - Add the two like fractions:
81/70 + 686/70 = 81 + 686/70 = 767/70 - So, 81/70 + 98/10 = 767/70
In mixed form: 1067/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/70+98/20 81/70+98/30 81/70+98/50 81/70+98/70