Subtract 14/25 from 90/70
1st number: 1 20/70, 2nd number: 14/25
90/70 - 14/25 is 127/175.
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,
90/70 = 90 × 5/70 × 5 = 450/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
14/25 = 14 × 14/25 × 14 = 196/350 - Subtract the two like fractions:
450/350 - 196/350 = 450 - 196/350 = 254/350 - After reducing the fraction, the answer is 127/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-28/25 90/70-14/50 90/70-42/25 90/70-14/75 90/70-70/25 90/70-98/25