Add 15/63 and 56/54
1st number: 15/63, 2nd number: 1 2/54
15/63 + 56/54 is 241/189.
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,
15/63 = 15 × 6/63 × 6 = 90/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Add the two like fractions:
90/378 + 392/378 = 90 + 392/378 = 482/378 - 482/378 simplified gives 241/189
- So, 15/63 + 56/54 = 241/189
In mixed form: 152/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63+56/54 45/63+56/54 75/63+56/54