Subtract 81/40 from 50/48
1st number: 1 2/48, 2nd number: 2 1/40
50/48 - 81/40 is -59/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
50/48 = 50 × 5/48 × 5 = 250/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
81/40 = 81 × 6/40 × 6 = 486/240 - Subtract the two like fractions:
250/240 - 486/240 = 250 - 486/240 = -236/240 - After reducing the fraction, the answer is -59/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/96-81/40 50/48-81/80