Subtract 5/10 from 70/42
1st number: 1 28/42, 2nd number: 5/10
70/42 - 5/10 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
5/10 = 5 × 21/10 × 21 = 105/210 - Subtract the two like fractions:
350/210 - 105/210 = 350 - 105/210 = 245/210 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-5/10 70/42-5/20 70/42-15/10 70/42-5/30 70/42-25/10 70/42-5/50 70/42-35/10 70/42-5/70