Subtract 64/45 from 63/3
1st number: 21 0/3, 2nd number: 1 19/45
63/3 - 64/45 is 881/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
63/3 = 63 × 15/3 × 15 = 945/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
64/45 = 64 × 1/45 × 1 = 64/45 - Subtract the two like fractions:
945/45 - 64/45 = 945 - 64/45 = 881/45 - In mixed form: 1926/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6-64/45 63/3-64/90 63/9-64/45 63/15-64/45 63/21-64/45