Subtract 16/3 from 63/42
1st number: 1 21/42, 2nd number: 5 1/3
63/42 - 16/3 is -23/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
16/3 = 16 × 14/3 × 14 = 224/42 - Subtract the two like fractions:
63/42 - 224/42 = 63 - 224/42 = -161/42 - After reducing the fraction, the answer is -23/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42-32/3 63/84-16/3 63/42-16/6 63/42-48/3 63/42-16/9 63/42-80/3 63/42-16/15 63/42-16/21