Subtract 24/10 from 40/49
1st number: 40/49, 2nd number: 2 4/10
40/49 - 24/10 is -388/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
40/49 = 40 × 10/49 × 10 = 400/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
24/10 = 24 × 49/10 × 49 = 1176/490 - Subtract the two like fractions:
400/490 - 1176/490 = 400 - 1176/490 = -776/490 - After reducing the fraction, the answer is -388/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49-24/10 40/49-48/10 40/98-24/10 40/49-24/20 40/49-72/10 40/49-24/30 40/49-24/50 40/49-24/70