Subtract 12/10 from 63/45
1st number: 1 18/45, 2nd number: 1 2/10
63/45 - 12/10 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
12/10 = 12 × 9/10 × 9 = 108/90 - Subtract the two like fractions:
126/90 - 108/90 = 126 - 108/90 = 18/90 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45-24/10 63/90-12/10 63/45-12/20 63/45-36/10 63/45-12/30 63/45-60/10 63/45-12/50 63/45-84/10 63/45-12/70