Add 45/42 and 40/54
1st number: 1 3/42, 2nd number: 40/54
45/42 + 40/54 is 685/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
45/42 = 45 × 9/42 × 9 = 405/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Add the two like fractions:
405/378 + 280/378 = 405 + 280/378 = 685/378 - So, 45/42 + 40/54 = 685/378
In mixed form: 1307/378
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