Subtract 84/10 from 4/45
1st number: 4/45, 2nd number: 8 4/10
4/45 - 84/10 is -374/45.
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,
4/45 = 4 × 2/45 × 2 = 8/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Subtract the two like fractions:
8/90 - 756/90 = 8 - 756/90 = -748/90 - After reducing the fraction, the answer is -374/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-84/10 4/90-84/10 4/45-84/20 12/45-84/10 4/45-84/30 20/45-84/10 4/45-84/50 28/45-84/10 4/45-84/70