Add 20/54 and 42/7
1st number: 20/54, 2nd number: 6 0/7
20/54 + 42/7 is 172/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
42/7 = 42 × 54/7 × 54 = 2268/378 - Add the two like fractions:
140/378 + 2268/378 = 140 + 2268/378 = 2408/378 - 2408/378 simplified gives 172/27
- So, 20/54 + 42/7 = 172/27
In mixed form: 610/27
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