Subtract 20/80 from 49/15
1st number: 3 4/15, 2nd number: 20/80
49/15 - 20/80 is 181/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
49/15 = 49 × 16/15 × 16 = 784/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Subtract the two like fractions:
784/240 - 60/240 = 784 - 60/240 = 724/240 - After reducing the fraction, the answer is 181/60
- In mixed form: 31/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-20/80 49/15-40/80 49/30-20/80 49/15-60/80 49/45-20/80 49/75-20/80