Subtract 21/16 from 35/50
1st number: 35/50, 2nd number: 1 5/16
35/50 - 21/16 is -49/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
35/50 = 35 × 8/50 × 8 = 280/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Subtract the two like fractions:
280/400 - 525/400 = 280 - 525/400 = -245/400 - After reducing the fraction, the answer is -49/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50-21/16 35/50-42/16 35/50-21/32 35/50-63/16 35/50-21/48 35/50-21/80