Add 2/54 and 27/21
1st number: 2/54, 2nd number: 1 6/21
2/54 + 27/21 is 250/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
27/21 = 27 × 18/21 × 18 = 486/378 - Add the two like fractions:
14/378 + 486/378 = 14 + 486/378 = 500/378 - 500/378 simplified gives 250/189
- So, 2/54 + 27/21 = 250/189
In mixed form: 161/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54+27/21 2/54+54/21 2/54+27/42 6/54+27/21 2/54+81/21 2/54+27/63 10/54+27/21 14/54+27/21