Subtract 42/27 from 9/35
1st number: 9/35, 2nd number: 1 15/27
9/35 - 42/27 is -409/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
9/35 = 9 × 27/35 × 27 = 243/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
42/27 = 42 × 35/27 × 35 = 1470/945 - Subtract the two like fractions:
243/945 - 1470/945 = 243 - 1470/945 = -1227/945 - After reducing the fraction, the answer is -409/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/35-42/27 9/35-84/27 9/70-42/27 9/35-42/54 27/35-42/27 9/35-42/81 45/35-42/27 63/35-42/27