Subtract 98/10 from 81/35
1st number: 2 11/35, 2nd number: 9 8/10
81/35 - 98/10 is -262/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
81/35 = 81 × 2/35 × 2 = 162/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
98/10 = 98 × 7/10 × 7 = 686/70 - Subtract the two like fractions:
162/70 - 686/70 = 162 - 686/70 = -524/70 - After reducing the fraction, the answer is -262/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/70-98/10 81/35-98/20 81/35-98/30 81/35-98/50 81/35-98/70