Subtract 2/45 from 70/49
1st number: 1 21/49, 2nd number: 2/45
70/49 - 2/45 is 436/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
70/49 = 70 × 45/49 × 45 = 3150/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
2/45 = 2 × 49/45 × 49 = 98/2205 - Subtract the two like fractions:
3150/2205 - 98/2205 = 3150 - 98/2205 = 3052/2205 - After reducing the fraction, the answer is 436/315
- In mixed form: 1121/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49-4/45 70/98-2/45 70/49-2/90 70/49-6/45 70/49-10/45 70/49-14/45