Add 12/54 and 40/49
12/54 + 40/49 is 458/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
12/54 = 12 × 49/54 × 49 = 588/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
40/49 = 40 × 54/49 × 54 = 2160/2646 - Add the two like fractions:
588/2646 + 2160/2646 = 588 + 2160/2646 = 2748/2646 - 2748/2646 simplified gives 458/441
- So, 12/54 + 40/49 = 458/441
In mixed form: 117/441
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