Subtract 49/10 from 16/45
1st number: 16/45, 2nd number: 4 9/10
16/45 - 49/10 is -409/90.
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,
16/45 = 16 × 2/45 × 2 = 32/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
49/10 = 49 × 9/10 × 9 = 441/90 - Subtract the two like fractions:
32/90 - 441/90 = 32 - 441/90 = -409/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45-49/10 16/45-98/10 16/90-49/10 16/45-49/20 48/45-49/10 16/45-49/30 80/45-49/10 16/45-49/50 16/45-49/70