Add 2/21 and 48/54
2/21 + 48/54 is 62/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
2/21 = 2 × 18/21 × 18 = 36/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
48/54 = 48 × 7/54 × 7 = 336/378 - Add the two like fractions:
36/378 + 336/378 = 36 + 336/378 = 372/378 - 372/378 simplified gives 62/63
- So, 2/21 + 48/54 = 62/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+48/54 2/21+96/54 2/42+48/54 6/21+48/54 2/63+48/54 10/21+48/54 14/21+48/54