Subtract 54/42 from 32/35
1st number: 32/35, 2nd number: 1 12/42
32/35 - 54/42 is -13/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
32/35 = 32 × 6/35 × 6 = 192/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Subtract the two like fractions:
192/210 - 270/210 = 192 - 270/210 = -78/210 - After reducing the fraction, the answer is -13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/35-54/42 32/70-54/42 32/35-54/84 96/35-54/42