Subtract 6/84 from 36/45
36/45 - 6/84 is 51/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
36/45 = 36 × 28/45 × 28 = 1008/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
6/84 = 6 × 15/84 × 15 = 90/1260 - Subtract the two like fractions:
1008/1260 - 90/1260 = 1008 - 90/1260 = 918/1260 - After reducing the fraction, the answer is 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-6/84 36/45-12/84 36/90-6/84 36/45-18/84 36/45-30/84 36/45-42/84