Subtract 75/8 from 24/42
1st number: 24/42, 2nd number: 9 3/8
24/42 - 75/8 is -493/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
24/42 = 24 × 4/42 × 4 = 96/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
75/8 = 75 × 21/8 × 21 = 1575/168 - Subtract the two like fractions:
96/168 - 1575/168 = 96 - 1575/168 = -1479/168 - After reducing the fraction, the answer is -493/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42-75/8 24/84-75/8 24/42-75/16 72/42-75/8 24/42-75/24 24/42-75/40 24/42-75/56