Subtract 24/25 from 12/70
12/70 - 24/25 is -138/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
12/70 = 12 × 5/70 × 5 = 60/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
24/25 = 24 × 14/25 × 14 = 336/350 - Subtract the two like fractions:
60/350 - 336/350 = 60 - 336/350 = -276/350 - After reducing the fraction, the answer is -138/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70-24/25 12/70-48/25 12/70-24/50 36/70-24/25 12/70-72/25 12/70-24/75 60/70-24/25 84/70-24/25