Subtract 42/64 from 70/35
1st number: 2 0/35, 2nd number: 42/64
70/35 - 42/64 is 43/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 35 × 64 = 2240,
70/35 = 70 × 64/35 × 64 = 4480/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
42/64 = 42 × 35/64 × 35 = 1470/2240 - Subtract the two like fractions:
4480/2240 - 1470/2240 = 4480 - 1470/2240 = 3010/2240 - After reducing the fraction, the answer is 43/32
- In mixed form: 111/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/35-84/64