Subtract 6/42 from 70/8
1st number: 8 6/8, 2nd number: 6/42
70/8 - 6/42 is 241/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
70/8 = 70 × 21/8 × 21 = 1470/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
6/42 = 6 × 4/42 × 4 = 24/168 - Subtract the two like fractions:
1470/168 - 24/168 = 1470 - 24/168 = 1446/168 - After reducing the fraction, the answer is 241/28
- In mixed form: 817/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-12/42 70/16-6/42 70/8-6/84 70/8-18/42 70/24-6/42 70/8-30/42 70/40-6/42 70/56-6/42