Subtract 5/16 from 20/15
1st number: 1 5/15, 2nd number: 5/16
20/15 - 5/16 is 49/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
20/15 = 20 × 16/15 × 16 = 320/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
5/16 = 5 × 15/16 × 15 = 75/240 - Subtract the two like fractions:
320/240 - 75/240 = 320 - 75/240 = 245/240 - After reducing the fraction, the answer is 49/48
- In mixed form: 11/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-5/16 20/15-10/16 20/30-5/16 20/15-5/32 60/15-5/16 20/15-15/16 20/45-5/16 20/15-5/48 20/15-25/16 20/75-5/16 20/15-5/80 20/15-35/16