Subtract 12/70 from 90/15
1st number: 6 0/15, 2nd number: 12/70
90/15 - 12/70 is 204/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
90/15 = 90 × 14/15 × 14 = 1260/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Subtract the two like fractions:
1260/210 - 36/210 = 1260 - 36/210 = 1224/210 - After reducing the fraction, the answer is 204/35
- In mixed form: 529/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15-24/70 90/30-12/70 90/15-36/70 90/45-12/70 90/15-60/70 90/75-12/70 90/15-84/70