Subtract 6/84 from 4/45
4/45 - 6/84 is 11/630.
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,
4/45 = 4 × 28/45 × 28 = 112/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
6/84 = 6 × 15/84 × 15 = 90/1260 - Subtract the two like fractions:
112/1260 - 90/1260 = 112 - 90/1260 = 22/1260 - After reducing the fraction, the answer is 11/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-6/84 4/45-12/84 4/90-6/84 12/45-6/84 4/45-18/84 20/45-6/84 4/45-30/84 28/45-6/84 4/45-42/84