Add 48/21 and 63/81
1st number: 2 6/21, 2nd number: 63/81
48/21 + 63/81 is 193/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 21 × 27 = 567,
48/21 = 48 × 27/21 × 27 = 1296/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
63/81 = 63 × 7/81 × 7 = 441/567 - Add the two like fractions:
1296/567 + 441/567 = 1296 + 441/567 = 1737/567 - 1737/567 simplified gives 193/63
- So, 48/21 + 63/81 = 193/63
In mixed form: 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+63/81 48/42+63/81 48/63+63/81