Add 40/3 and 45/63
1st number: 13 1/3, 2nd number: 45/63
40/3 + 45/63 is 295/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
40/3 = 40 × 21/3 × 21 = 840/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Add the two like fractions:
840/63 + 45/63 = 840 + 45/63 = 885/63 - 885/63 simplified gives 295/21
- So, 40/3 + 45/63 = 295/21
In mixed form: 141/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+45/63 40/3+90/63 40/6+45/63 40/9+45/63 40/15+45/63 40/21+45/63