Add 32/21 and 15/54
1st number: 1 11/21, 2nd number: 15/54
32/21 + 15/54 is 227/126.
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,
32/21 = 32 × 18/21 × 18 = 576/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Add the two like fractions:
576/378 + 105/378 = 576 + 105/378 = 681/378 - 681/378 simplified gives 227/126
- So, 32/21 + 15/54 = 227/126
In mixed form: 1101/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21+15/54 32/21+30/54 32/42+15/54 96/21+15/54 32/21+45/54 32/63+15/54 32/21+75/54