Add 42/8 and 81/84
1st number: 5 2/8, 2nd number: 81/84
42/8 + 81/84 is 87/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
42/8 = 42 × 21/8 × 21 = 882/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
81/84 = 81 × 2/84 × 2 = 162/168 - Add the two like fractions:
882/168 + 162/168 = 882 + 162/168 = 1044/168 - 1044/168 simplified gives 87/14
- So, 42/8 + 81/84 = 87/14
In mixed form: 63/14
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