Subtract 56/30 from 42/32
1st number: 1 10/32, 2nd number: 1 26/30
42/32 - 56/30 is -133/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
42/32 = 42 × 15/32 × 15 = 630/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
56/30 = 56 × 16/30 × 16 = 896/480 - Subtract the two like fractions:
630/480 - 896/480 = 630 - 896/480 = -266/480 - After reducing the fraction, the answer is -133/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-56/30 42/64-56/30 42/32-56/60 42/96-56/30 42/32-56/90