Subtract 1/16 from 42/54
42/54 - 1/16 is 103/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
42/54 = 42 × 8/54 × 8 = 336/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
1/16 = 1 × 27/16 × 27 = 27/432 - Subtract the two like fractions:
336/432 - 27/432 = 336 - 27/432 = 309/432 - After reducing the fraction, the answer is 103/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54-1/16 42/54-2/16 42/54-1/32 42/54-3/16 42/54-1/48 42/54-5/16 42/54-1/80 42/54-7/16