Subtract 70/10 from 3/45
1st number: 3/45, 2nd number: 7 0/10
3/45 - 70/10 is -104/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Subtract the two like fractions:
6/90 - 630/90 = 6 - 630/90 = -624/90 - After reducing the fraction, the answer is -104/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45-70/10 3/90-70/10 3/45-70/20 9/45-70/10 3/45-70/30 15/45-70/10 3/45-70/50 21/45-70/10