Subtract 27/7 from 18/16
1st number: 1 2/16, 2nd number: 3 6/7
18/16 - 27/7 is -153/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
27/7 = 27 × 16/7 × 16 = 432/112 - Subtract the two like fractions:
126/112 - 432/112 = 126 - 432/112 = -306/112 - After reducing the fraction, the answer is -153/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-27/7 18/16-54/7 18/32-27/7 18/16-27/14 54/16-27/7 18/16-81/7 18/48-27/7 18/16-27/21 90/16-27/7 18/80-27/7 18/16-27/35 18/16-27/49