Subtract 49/24 from 40/70
1st number: 40/70, 2nd number: 2 1/24
40/70 - 49/24 is -247/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
40/70 = 40 × 12/70 × 12 = 480/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
49/24 = 49 × 35/24 × 35 = 1715/840 - Subtract the two like fractions:
480/840 - 1715/840 = 480 - 1715/840 = -1235/840 - After reducing the fraction, the answer is -247/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70-49/24 40/70-98/24 40/70-49/48 40/70-49/72