Subtract 6/27 from 42/80
42/80 - 6/27 is 109/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
42/80 = 42 × 27/80 × 27 = 1134/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
6/27 = 6 × 80/27 × 80 = 480/2160 - Subtract the two like fractions:
1134/2160 - 480/2160 = 1134 - 480/2160 = 654/2160 - After reducing the fraction, the answer is 109/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80-6/27 42/80-12/27 42/80-6/54 42/80-18/27 42/80-6/81 42/80-30/27 42/80-42/27