Subtract 5/70 from 36/42
36/42 - 5/70 is 11/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
36/42 = 36 × 5/42 × 5 = 180/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Subtract the two like fractions:
180/210 - 15/210 = 180 - 15/210 = 165/210 - After reducing the fraction, the answer is 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42-5/70 36/42-10/70 36/84-5/70 36/42-15/70 36/42-25/70 36/42-35/70