Subtract 6/40 from 30/49
30/49 - 6/40 is 453/980.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
30/49 = 30 × 40/49 × 40 = 1200/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
6/40 = 6 × 49/40 × 49 = 294/1960 - Subtract the two like fractions:
1200/1960 - 294/1960 = 1200 - 294/1960 = 906/1960 - After reducing the fraction, the answer is 453/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49-6/40 30/49-12/40 30/98-6/40 30/49-6/80 90/49-6/40 30/49-18/40 30/49-30/40 30/49-42/40