Subtract 70/4 from 42/3
1st number: 14 0/3, 2nd number: 17 2/4
42/3 - 70/4 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
42/3 = 42 × 4/3 × 4 = 168/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Subtract the two like fractions:
168/12 - 210/12 = 168 - 210/12 = -42/12 - After reducing the fraction, the answer is -7/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-70/4 42/6-70/4 42/3-70/8 42/9-70/4 42/3-70/12 42/15-70/4 42/3-70/20 42/21-70/4 42/3-70/28