Subtract 81/24 from 14/70
1st number: 14/70, 2nd number: 3 9/24
14/70 - 81/24 is -127/40.
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,
14/70 = 14 × 12/70 × 12 = 168/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
81/24 = 81 × 35/24 × 35 = 2835/840 - Subtract the two like fractions:
168/840 - 2835/840 = 168 - 2835/840 = -2667/840 - After reducing the fraction, the answer is -127/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70-81/24 14/70-81/48 42/70-81/24 14/70-81/72 98/70-81/24