Subtract 42/16 from 50/28
1st number: 1 22/28, 2nd number: 2 10/16
50/28 - 42/16 is -47/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
50/28 = 50 × 4/28 × 4 = 200/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
42/16 = 42 × 7/16 × 7 = 294/112 - Subtract the two like fractions:
200/112 - 294/112 = 200 - 294/112 = -94/112 - After reducing the fraction, the answer is -47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28-84/16 50/56-42/16 50/28-42/32 50/84-42/16 50/28-42/48 50/28-42/80