Subtract 50/84 from 30/27
1st number: 1 3/27, 2nd number: 50/84
30/27 - 50/84 is 65/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
30/27 = 30 × 28/27 × 28 = 840/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
50/84 = 50 × 9/84 × 9 = 450/756 - Subtract the two like fractions:
840/756 - 450/756 = 840 - 450/756 = 390/756 - After reducing the fraction, the answer is 65/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-50/84 30/54-50/84 90/27-50/84 30/81-50/84