Subtract 6/49 from 42/45
42/45 - 6/49 is 596/735.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
42/45 = 42 × 49/45 × 49 = 2058/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
6/49 = 6 × 45/49 × 45 = 270/2205 - Subtract the two like fractions:
2058/2205 - 270/2205 = 2058 - 270/2205 = 1788/2205 - After reducing the fraction, the answer is 596/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45-6/49 42/45-12/49 42/90-6/49 42/45-6/98 42/45-18/49 42/45-30/49 42/45-42/49