Subtract 27/30 from 7/35
7/35 - 27/30 is -7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
7/35 = 7 × 6/35 × 6 = 42/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
27/30 = 27 × 7/30 × 7 = 189/210 - Subtract the two like fractions:
42/210 - 189/210 = 42 - 189/210 = -147/210 - After reducing the fraction, the answer is -7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-27/30 7/35-54/30 7/70-27/30 7/35-27/60 21/35-27/30 7/35-81/30 7/35-27/90 49/35-27/30