Add 42/84 and 98/81
1st number: 42/84, 2nd number: 1 17/81
42/84 + 98/81 is 277/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
42/84 = 42 × 27/84 × 27 = 1134/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
98/81 = 98 × 28/81 × 28 = 2744/2268 - Add the two like fractions:
1134/2268 + 2744/2268 = 1134 + 2744/2268 = 3878/2268 - 3878/2268 simplified gives 277/162
- So, 42/84 + 98/81 = 277/162
In mixed form: 1115/162
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