Subtract 72/35 from 42/2
1st number: 21 0/2, 2nd number: 2 2/35
42/2 - 72/35 is 663/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
42/2 = 42 × 35/2 × 35 = 1470/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
72/35 = 72 × 2/35 × 2 = 144/70 - Subtract the two like fractions:
1470/70 - 144/70 = 1470 - 144/70 = 1326/70 - After reducing the fraction, the answer is 663/35
- In mixed form: 1833/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-72/35 42/4-72/35 42/2-72/70 42/6-72/35 42/10-72/35 42/14-72/35