Subtract 70/14 from 42/9
1st number: 4 6/9, 2nd number: 5 0/14
42/9 - 70/14 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
70/14 = 70 × 9/14 × 9 = 630/126 - Subtract the two like fractions:
588/126 - 630/126 = 588 - 630/126 = -42/126 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-70/14 42/18-70/14 42/9-70/28 42/27-70/14 42/9-70/42 42/45-70/14 42/63-70/14 42/9-70/98