Add 28/63 and 15/54
28/63 + 15/54 is 13/18.
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,
28/63 = 28 × 6/63 × 6 = 168/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Add the two like fractions:
168/378 + 105/378 = 168 + 105/378 = 273/378 - 273/378 simplified gives 13/18
- So, 28/63 + 15/54 = 13/18
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