Subtract 15/49 from 16/20
16/20 - 15/49 is 121/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
16/20 = 16 × 49/20 × 49 = 784/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
15/49 = 15 × 20/49 × 20 = 300/980 - Subtract the two like fractions:
784/980 - 300/980 = 784 - 300/980 = 484/980 - After reducing the fraction, the answer is 121/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20-15/49 16/20-30/49 16/40-15/49 16/20-15/98 48/20-15/49 16/20-45/49 16/60-15/49 80/20-15/49 16/20-75/49