Subtract 45/14 from 42/35
1st number: 1 7/35, 2nd number: 3 3/14
42/35 - 45/14 is -141/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
45/14 = 45 × 5/14 × 5 = 225/70 - Subtract the two like fractions:
84/70 - 225/70 = 84 - 225/70 = -141/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-45/14 42/35-90/14 42/70-45/14 42/35-45/28 42/35-45/42 42/35-45/70 42/35-45/98