Subtract 2/80 from 70/49
1st number: 1 21/49, 2nd number: 2/80
70/49 - 2/80 is 393/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
70/49 = 70 × 80/49 × 80 = 5600/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
2/80 = 2 × 49/80 × 49 = 98/3920 - Subtract the two like fractions:
5600/3920 - 98/3920 = 5600 - 98/3920 = 5502/3920 - After reducing the fraction, the answer is 393/280
- In mixed form: 1113/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49-4/80 70/98-2/80 70/49-6/80 70/49-10/80 70/49-14/80