Subtract 70/45 from 40/4
1st number: 10 0/4, 2nd number: 1 25/45
40/4 - 70/45 is 76/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
40/4 = 40 × 45/4 × 45 = 1800/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Subtract the two like fractions:
1800/180 - 280/180 = 1800 - 280/180 = 1520/180 - After reducing the fraction, the answer is 76/9
- In mixed form: 84/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-70/45 40/8-70/45 40/4-70/90 40/12-70/45 40/20-70/45 40/28-70/45