Add 7/63 and 45/54
7/63 + 45/54 is 17/18.
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,
7/63 = 7 × 6/63 × 6 = 42/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Add the two like fractions:
42/378 + 315/378 = 42 + 315/378 = 357/378 - 357/378 simplified gives 17/18
- So, 7/63 + 45/54 = 17/18
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