Subtract 40/24 from 10/70
1st number: 10/70, 2nd number: 1 16/24
10/70 - 40/24 is -32/21.
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,
10/70 = 10 × 12/70 × 12 = 120/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
40/24 = 40 × 35/24 × 35 = 1400/840 - Subtract the two like fractions:
120/840 - 1400/840 = 120 - 1400/840 = -1280/840 - After reducing the fraction, the answer is -32/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70-40/24 10/70-80/24 10/70-40/48 30/70-40/24 10/70-40/72 50/70-40/24