Subtract 36/15 from 25/70
1st number: 25/70, 2nd number: 2 6/15
25/70 - 36/15 is -143/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
25/70 = 25 × 3/70 × 3 = 75/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
36/15 = 36 × 14/15 × 14 = 504/210 - Subtract the two like fractions:
75/210 - 504/210 = 75 - 504/210 = -429/210 - After reducing the fraction, the answer is -143/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-36/15 25/70-72/15 25/70-36/30 75/70-36/15 25/70-36/45 25/70-36/75