Subtract 10/49 from 45/90
45/90 - 10/49 is 29/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
45/90 = 45 × 49/90 × 49 = 2205/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
10/49 = 10 × 90/49 × 90 = 900/4410 - Subtract the two like fractions:
2205/4410 - 900/4410 = 2205 - 900/4410 = 1305/4410 - After reducing the fraction, the answer is 29/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90-20/49 45/90-10/98 45/90-30/49 45/90-50/49 45/90-70/49