Subtract 4/42 from 72/35
1st number: 2 2/35, 2nd number: 4/42
72/35 - 4/42 is 206/105.
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,
4/42 = 4 × 5/42 × 5 = 20/210 - Subtract the two like fractions:
432/210 - 20/210 = 432 - 20/210 = 412/210 - After reducing the fraction, the answer is 206/105
- In mixed form: 1101/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35-8/42 72/70-4/42 72/35-4/84 72/35-12/42 72/35-20/42 72/35-28/42