Add 45/54 and 56/63
45/54 + 56/63 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
56/63 = 56 × 6/63 × 6 = 336/378 - Add the two like fractions:
315/378 + 336/378 = 315 + 336/378 = 651/378 - 651/378 simplified gives 31/18
- So, 45/54 + 56/63 = 31/18
In mixed form: 113/18
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