Add 7/42 and 5/54
7/42 + 5/54 is 7/27.
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,
7/42 = 7 × 9/42 × 9 = 63/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
5/54 = 5 × 7/54 × 7 = 35/378 - Add the two like fractions:
63/378 + 35/378 = 63 + 35/378 = 98/378 - 98/378 simplified gives 7/27
- So, 7/42 + 5/54 = 7/27
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