Subtract 42/18 from 35/25
1st number: 1 10/25, 2nd number: 2 6/18
35/25 - 42/18 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
35/25 = 35 × 18/25 × 18 = 630/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Subtract the two like fractions:
630/450 - 1050/450 = 630 - 1050/450 = -420/450 - After reducing the fraction, the answer is -14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-42/18 35/25-84/18 35/50-42/18 35/25-42/36 35/75-42/18 35/25-42/54 35/25-42/90