Add 40/54 and 16/42
40/54 + 16/42 is 212/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
16/42 = 16 × 9/42 × 9 = 144/378 - Add the two like fractions:
280/378 + 144/378 = 280 + 144/378 = 424/378 - 424/378 simplified gives 212/189
- So, 40/54 + 16/42 = 212/189
In mixed form: 123/189
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