Subtract 10/70 from 24/72
24/72 - 10/70 is 4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
24/72 = 24 × 35/72 × 35 = 840/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
10/70 = 10 × 36/70 × 36 = 360/2520 - Subtract the two like fractions:
840/2520 - 360/2520 = 840 - 360/2520 = 480/2520 - After reducing the fraction, the answer is 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/72-10/70 24/72-20/70 24/72-30/70 24/72-50/70