Subtract 18/16 from 63/5
1st number: 12 3/5, 2nd number: 1 2/16
63/5 - 18/16 is 459/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
63/5 = 63 × 16/5 × 16 = 1008/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Subtract the two like fractions:
1008/80 - 90/80 = 1008 - 90/80 = 918/80 - After reducing the fraction, the answer is 459/40
- In mixed form: 1119/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5-36/16 63/10-18/16 63/5-18/32 63/5-54/16 63/15-18/16 63/5-18/48 63/5-90/16 63/25-18/16 63/5-18/80 63/35-18/16