Subtract 40/49 from 70/45
1st number: 1 25/45, 2nd number: 40/49
70/45 - 40/49 is 326/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
70/45 = 70 × 49/45 × 49 = 3430/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
40/49 = 40 × 45/49 × 45 = 1800/2205 - Subtract the two like fractions:
3430/2205 - 1800/2205 = 3430 - 1800/2205 = 1630/2205 - After reducing the fraction, the answer is 326/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-80/49 70/90-40/49 70/45-40/98