Add 49/42 and 81/4
1st number: 1 7/42, 2nd number: 20 1/4
49/42 + 81/4 is 257/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
49/42 = 49 × 2/42 × 2 = 98/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
81/4 = 81 × 21/4 × 21 = 1701/84 - Add the two like fractions:
98/84 + 1701/84 = 98 + 1701/84 = 1799/84 - 1799/84 simplified gives 257/12
- So, 49/42 + 81/4 = 257/12
In mixed form: 215/12
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