Subtract 2/42 from 45/35
1st number: 1 10/35, 2nd number: 2/42
45/35 - 2/42 is 26/21.
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,
45/35 = 45 × 6/35 × 6 = 270/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Subtract the two like fractions:
270/210 - 10/210 = 270 - 10/210 = 260/210 - After reducing the fraction, the answer is 26/21
- In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-2/42 45/35-4/42 45/70-2/42 45/35-2/84 45/35-6/42 45/35-10/42 45/35-14/42