Subtract 98/40 from 16/15
1st number: 1 1/15, 2nd number: 2 18/40
16/15 - 98/40 is -83/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
16/15 = 16 × 8/15 × 8 = 128/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Subtract the two like fractions:
128/120 - 294/120 = 128 - 294/120 = -166/120 - After reducing the fraction, the answer is -83/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15-98/40 16/30-98/40 16/15-98/80 48/15-98/40 16/45-98/40 80/15-98/40 16/75-98/40