Subtract 63/5 from 42/14
1st number: 3 0/14, 2nd number: 12 3/5
42/14 - 63/5 is -48/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
42/14 = 42 × 5/14 × 5 = 210/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
63/5 = 63 × 14/5 × 14 = 882/70 - Subtract the two like fractions:
210/70 - 882/70 = 210 - 882/70 = -672/70 - After reducing the fraction, the answer is -48/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-63/5 42/28-63/5 42/14-63/10 42/14-63/15 42/70-63/5 42/14-63/25 42/98-63/5 42/14-63/35