Subtract 84/40 from 27/49
1st number: 27/49, 2nd number: 2 4/40
27/49 - 84/40 is -759/490.
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,
27/49 = 27 × 40/49 × 40 = 1080/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
84/40 = 84 × 49/40 × 49 = 4116/1960 - Subtract the two like fractions:
1080/1960 - 4116/1960 = 1080 - 4116/1960 = -3036/1960 - After reducing the fraction, the answer is -759/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49-84/40 27/98-84/40 27/49-84/80 81/49-84/40