Subtract 18/16 from 12/7
1st number: 1 5/7, 2nd number: 1 2/16
12/7 - 18/16 is 33/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
12/7 = 12 × 16/7 × 16 = 192/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112 - Subtract the two like fractions:
192/112 - 126/112 = 192 - 126/112 = 66/112 - After reducing the fraction, the answer is 33/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7-18/16 12/7-36/16 12/14-18/16 12/7-18/32 36/7-18/16 12/7-54/16 12/21-18/16 12/7-18/48 60/7-18/16 12/7-90/16 12/35-18/16 12/7-18/80 84/7-18/16 12/49-18/16