Subtract 12/45 from 70/5
1st number: 14 0/5, 2nd number: 12/45
70/5 - 12/45 is 206/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
70/5 = 70 × 9/5 × 9 = 630/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
12/45 = 12 × 1/45 × 1 = 12/45 - Subtract the two like fractions:
630/45 - 12/45 = 630 - 12/45 = 618/45 - After reducing the fraction, the answer is 206/15
- In mixed form: 1311/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5-24/45 70/10-12/45 70/5-12/90 70/5-36/45 70/15-12/45 70/5-60/45 70/25-12/45 70/5-84/45 70/35-12/45