Add 42/81 and 30/49
42/81 + 30/49 is 1496/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
42/81 = 42 × 49/81 × 49 = 2058/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
30/49 = 30 × 81/49 × 81 = 2430/3969 - Add the two like fractions:
2058/3969 + 2430/3969 = 2058 + 2430/3969 = 4488/3969 - 4488/3969 simplified gives 1496/1323
- So, 42/81 + 30/49 = 1496/1323
In mixed form: 1173/1323
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