Add 6/54 and 7/21
6/54 + 7/21 is 4/9.
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,
6/54 = 6 × 7/54 × 7 = 42/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
7/21 = 7 × 18/21 × 18 = 126/378 - Add the two like fractions:
42/378 + 126/378 = 42 + 126/378 = 168/378 - 168/378 simplified gives 4/9
- So, 6/54 + 7/21 = 4/9
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