Subtract 2/42 from 72/35
1st number: 2 2/35, 2nd number: 2/42
72/35 - 2/42 is 211/105.
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,
72/35 = 72 × 6/35 × 6 = 432/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Subtract the two like fractions:
432/210 - 10/210 = 432 - 10/210 = 422/210 - After reducing the fraction, the answer is 211/105
- In mixed form: 21/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35-4/42 72/70-2/42 72/35-2/84 72/35-6/42 72/35-10/42 72/35-14/42