Subtract 42/27 from 35/50
1st number: 35/50, 2nd number: 1 15/27
35/50 - 42/27 is -77/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 27 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
35/50 = 35 × 27/50 × 27 = 945/1350 - Likewise, for the 2nd fraction, since 27 × 50 = 1350,
42/27 = 42 × 50/27 × 50 = 2100/1350 - Subtract the two like fractions:
945/1350 - 2100/1350 = 945 - 2100/1350 = -1155/1350 - After reducing the fraction, the answer is -77/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50-42/27 35/50-84/27 35/50-42/54 35/50-42/81