Subtract 54/16 from 42/2
1st number: 21 0/2, 2nd number: 3 6/16
42/2 - 54/16 is 141/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
42/2 = 42 × 8/2 × 8 = 336/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
54/16 = 54 × 1/16 × 1 = 54/16 - Subtract the two like fractions:
336/16 - 54/16 = 336 - 54/16 = 282/16 - After reducing the fraction, the answer is 141/8
- In mixed form: 175/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-54/16 42/4-54/16 42/2-54/32 42/6-54/16 42/2-54/48 42/10-54/16 42/2-54/80 42/14-54/16