Subtract 15/70 from 27/24
1st number: 1 3/24, 2nd number: 15/70
27/24 - 15/70 is 51/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
27/24 = 27 × 35/24 × 35 = 945/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
15/70 = 15 × 12/70 × 12 = 180/840 - Subtract the two like fractions:
945/840 - 180/840 = 945 - 180/840 = 765/840 - After reducing the fraction, the answer is 51/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-15/70 27/24-30/70 27/48-15/70 81/24-15/70 27/24-45/70 27/72-15/70 27/24-75/70