Subtract 15/24 from 10/70
10/70 - 15/24 is -27/56.
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,
15/24 = 15 × 35/24 × 35 = 525/840 - Subtract the two like fractions:
120/840 - 525/840 = 120 - 525/840 = -405/840 - After reducing the fraction, the answer is -27/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70-15/24 10/70-30/24 10/70-15/48 30/70-15/24 10/70-45/24 10/70-15/72 50/70-15/24 10/70-75/24