Subtract 8/70 from 27/49
27/49 - 8/70 is 107/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
27/49 = 27 × 10/49 × 10 = 270/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
8/70 = 8 × 7/70 × 7 = 56/490 - Subtract the two like fractions:
270/490 - 56/490 = 270 - 56/490 = 214/490 - After reducing the fraction, the answer is 107/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49-8/70 27/49-16/70 27/98-8/70 81/49-8/70 27/49-24/70 27/49-40/70 27/49-56/70