Subtract 12/70 from 36/30
1st number: 1 6/30, 2nd number: 12/70
36/30 - 12/70 is 36/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
36/30 = 36 × 7/30 × 7 = 252/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Subtract the two like fractions:
252/210 - 36/210 = 252 - 36/210 = 216/210 - After reducing the fraction, the answer is 36/35
- In mixed form: 11/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-12/70 36/30-24/70 36/60-12/70 36/30-36/70 36/90-12/70 36/30-60/70 36/30-84/70