Subtract 63/60 from 7/40
1st number: 7/40, 2nd number: 1 3/60
7/40 - 63/60 is -7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
63/60 = 63 × 2/60 × 2 = 126/120 - Subtract the two like fractions:
21/120 - 126/120 = 21 - 126/120 = -105/120 - After reducing the fraction, the answer is -7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40-63/60 7/80-63/60 21/40-63/60 35/40-63/60 49/40-63/60