Subtract 49/16 from 40/90
1st number: 40/90, 2nd number: 3 1/16
40/90 - 49/16 is -377/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
40/90 = 40 × 8/90 × 8 = 320/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
49/16 = 49 × 45/16 × 45 = 2205/720 - Subtract the two like fractions:
320/720 - 2205/720 = 320 - 2205/720 = -1885/720 - After reducing the fraction, the answer is -377/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90-49/16 40/90-98/16 40/90-49/32 40/90-49/48 40/90-49/80