Subtract 9/42 from 70/35
1st number: 2 0/35, 2nd number: 9/42
70/35 - 9/42 is 25/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
70/35 = 70 × 6/35 × 6 = 420/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Subtract the two like fractions:
420/210 - 45/210 = 420 - 45/210 = 375/210 - After reducing the fraction, the answer is 25/14
- In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/35-18/42 70/35-9/84 70/35-27/42 70/35-45/42 70/35-63/42