Subtract 10/45 from 70/98
70/98 - 10/45 is 31/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
70/98 = 70 × 45/98 × 45 = 3150/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
10/45 = 10 × 98/45 × 98 = 980/4410 - Subtract the two like fractions:
3150/4410 - 980/4410 = 3150 - 980/4410 = 2170/4410 - After reducing the fraction, the answer is 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98-20/45 70/98-10/90 70/98-30/45 70/98-50/45 70/98-70/45