Subtract 16/90 from 42/16
1st number: 2 10/16, 2nd number: 16/90
42/16 - 16/90 is 881/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
42/16 = 42 × 45/16 × 45 = 1890/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
16/90 = 16 × 8/90 × 8 = 128/720 - Subtract the two like fractions:
1890/720 - 128/720 = 1890 - 128/720 = 1762/720 - After reducing the fraction, the answer is 881/360
- In mixed form: 2161/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-16/90 42/16-32/90 42/32-16/90 42/16-48/90 42/48-16/90 42/16-80/90 42/80-16/90