Add 54/21 and 2/63
1st number: 2 12/21, 2nd number: 2/63
54/21 + 2/63 is 164/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
54/21 = 54 × 3/21 × 3 = 162/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
2/63 = 2 × 1/63 × 1 = 2/63 - Add the two like fractions:
162/63 + 2/63 = 162 + 2/63 = 164/63 - So, 54/21 + 2/63 = 164/63
In mixed form: 238/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+4/63 54/42+2/63 54/21+6/63 54/63+2/63 54/21+10/63 54/21+14/63