Add 45/63 and 56/54
1st number: 45/63, 2nd number: 1 2/54
45/63 + 56/54 is 331/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
45/63 = 45 × 6/63 × 6 = 270/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Add the two like fractions:
270/378 + 392/378 = 270 + 392/378 = 662/378 - 662/378 simplified gives 331/189
- So, 45/63 + 56/54 = 331/189
In mixed form: 1142/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+56/54