Subtract 8/40 from 1/49
1/49 - 8/40 is -44/245.
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,
1/49 = 1 × 40/49 × 40 = 40/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
8/40 = 8 × 49/40 × 49 = 392/1960 - Subtract the two like fractions:
40/1960 - 392/1960 = 40 - 392/1960 = -352/1960 - After reducing the fraction, the answer is -44/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-8/40 1/49-16/40 1/98-8/40 1/49-8/80 3/49-8/40 1/49-24/40 5/49-8/40 7/49-8/40 1/49-56/40