Subtract 36/35 from 9/42
1st number: 9/42, 2nd number: 1 1/35
9/42 - 36/35 is -57/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
36/35 = 36 × 6/35 × 6 = 216/210 - Subtract the two like fractions:
45/210 - 216/210 = 45 - 216/210 = -171/210 - After reducing the fraction, the answer is -57/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-36/35 9/42-72/35 9/84-36/35 9/42-36/70 27/42-36/35 45/42-36/35 63/42-36/35