Subtract 54/10 from 16/42
1st number: 16/42, 2nd number: 5 4/10
16/42 - 54/10 is -527/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
54/10 = 54 × 21/10 × 21 = 1134/210 - Subtract the two like fractions:
80/210 - 1134/210 = 80 - 1134/210 = -1054/210 - After reducing the fraction, the answer is -527/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42-54/10 16/84-54/10 16/42-54/20 48/42-54/10 16/42-54/30 80/42-54/10 16/42-54/50 16/42-54/70