Add 7/42 and 25/54
7/42 + 25/54 is 17/27.
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,
25/54 = 25 × 7/54 × 7 = 175/378 - Add the two like fractions:
63/378 + 175/378 = 63 + 175/378 = 238/378 - 238/378 simplified gives 17/27
- So, 7/42 + 25/54 = 17/27
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