Add 18/7 and 40/63
1st number: 2 4/7, 2nd number: 40/63
18/7 + 40/63 is 202/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
18/7 = 18 × 9/7 × 9 = 162/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Add the two like fractions:
162/63 + 40/63 = 162 + 40/63 = 202/63 - So, 18/7 + 40/63 = 202/63
In mixed form: 313/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+40/63 18/7+80/63 18/14+40/63 54/7+40/63 18/21+40/63 90/7+40/63 18/35+40/63 18/49+40/63