Add 63/3 and 12/45
1st number: 21 0/3, 2nd number: 12/45
63/3 + 12/45 is 319/15.
Steps for adding 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,
12/45 = 12 × 1/45 × 1 = 12/45 - Add the two like fractions:
945/45 + 12/45 = 945 + 12/45 = 957/45 - 957/45 simplified gives 319/15
- So, 63/3 + 12/45 = 319/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+24/45 63/6+12/45 63/3+12/90 63/3+36/45 63/9+12/45 63/3+60/45 63/15+12/45 63/3+84/45 63/21+12/45