Subtract 4/45 from 70/10
1st number: 7 0/10, 2nd number: 4/45
70/10 - 4/45 is 311/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Subtract the two like fractions:
630/90 - 8/90 = 630 - 8/90 = 622/90 - After reducing the fraction, the answer is 311/45
- In mixed form: 641/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-8/45 70/20-4/45 70/10-4/90 70/10-12/45 70/30-4/45 70/10-20/45 70/50-4/45 70/10-28/45