Subtract 9/27 from 7/5
1st number: 1 2/5, 2nd number: 9/27
7/5 - 9/27 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
7/5 = 7 × 27/5 × 27 = 189/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
9/27 = 9 × 5/27 × 5 = 45/135 - Subtract the two like fractions:
189/135 - 45/135 = 189 - 45/135 = 144/135 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-9/27 7/5-18/27 7/10-9/27 7/5-9/54 21/5-9/27 7/15-9/27 7/5-9/81 35/5-9/27 7/5-45/27 7/25-9/27 49/5-9/27 7/5-63/27 7/35-9/27