Add 16/21 and 5/54
16/21 + 5/54 is 323/378.
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,
16/21 = 16 × 18/21 × 18 = 288/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
5/54 = 5 × 7/54 × 7 = 35/378 - Add the two like fractions:
288/378 + 35/378 = 288 + 35/378 = 323/378 - So, 16/21 + 5/54 = 323/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+5/54 16/21+10/54 16/42+5/54 48/21+5/54 16/21+15/54 16/63+5/54 80/21+5/54 16/21+25/54 16/21+35/54