Subtract 16/7 from 4/63
1st number: 4/63, 2nd number: 2 2/7
4/63 - 16/7 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
4/63 = 4 × 1/63 × 1 = 4/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
16/7 = 16 × 9/7 × 9 = 144/63 - Subtract the two like fractions:
4/63 - 144/63 = 4 - 144/63 = -140/63 - After reducing the fraction, the answer is -20/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-16/7 4/63-32/7 4/63-16/14 12/63-16/7 4/63-48/7 4/63-16/21 20/63-16/7 4/63-80/7 4/63-16/35 28/63-16/7 4/63-16/49