Subtract 50/12 from 70/27
1st number: 2 16/27, 2nd number: 4 2/12
70/27 - 50/12 is -85/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
70/27 = 70 × 4/27 × 4 = 280/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
50/12 = 50 × 9/12 × 9 = 450/108 - Subtract the two like fractions:
280/108 - 450/108 = 280 - 450/108 = -170/108 - After reducing the fraction, the answer is -85/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54-50/12 70/27-50/24 70/81-50/12 70/27-50/36 70/27-50/60 70/27-50/84