Subtract 35/8 from 4/42
1st number: 4/42, 2nd number: 4 3/8
4/42 - 35/8 is -719/168.
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,
4/42 = 4 × 4/42 × 4 = 16/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
35/8 = 35 × 21/8 × 21 = 735/168 - Subtract the two like fractions:
16/168 - 735/168 = 16 - 735/168 = -719/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42-35/8 4/42-70/8 4/84-35/8 4/42-35/16 12/42-35/8 4/42-35/24 20/42-35/8 4/42-35/40 28/42-35/8 4/42-35/56