Subtract 25/70 from 35/80
35/80 - 25/70 is 9/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
35/80 = 35 × 7/80 × 7 = 245/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
25/70 = 25 × 8/70 × 8 = 200/560 - Subtract the two like fractions:
245/560 - 200/560 = 245 - 200/560 = 45/560 - After reducing the fraction, the answer is 9/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-25/70 35/80-50/70 35/80-75/70