Subtract 42/16 from 75/7
1st number: 10 5/7, 2nd number: 2 10/16
75/7 - 42/16 is 453/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
75/7 = 75 × 16/7 × 16 = 1200/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
42/16 = 42 × 7/16 × 7 = 294/112 - Subtract the two like fractions:
1200/112 - 294/112 = 1200 - 294/112 = 906/112 - After reducing the fraction, the answer is 453/56
- In mixed form: 85/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/7-84/16 75/14-42/16 75/7-42/32 75/21-42/16 75/7-42/48 75/35-42/16 75/7-42/80 75/49-42/16