Add 9/54 and 8/21
9/54 + 8/21 is 23/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
8/21 = 8 × 18/21 × 18 = 144/378 - Add the two like fractions:
63/378 + 144/378 = 63 + 144/378 = 207/378 - 207/378 simplified gives 23/42
- So, 9/54 + 8/21 = 23/42
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