Subtract 40/10 from 49/45
1st number: 1 4/45, 2nd number: 4 0/10
49/45 - 40/10 is -131/45.
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,
49/45 = 49 × 2/45 × 2 = 98/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
40/10 = 40 × 9/10 × 9 = 360/90 - Subtract the two like fractions:
98/90 - 360/90 = 98 - 360/90 = -262/90 - After reducing the fraction, the answer is -131/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45-40/10 49/45-80/10 49/90-40/10 49/45-40/20 49/45-40/30 49/45-40/50 49/45-40/70