Add 81/30 and 5/84
1st number: 2 21/30, 2nd number: 5/84
81/30 + 5/84 is 1159/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
81/30 = 81 × 14/30 × 14 = 1134/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Add the two like fractions:
1134/420 + 25/420 = 1134 + 25/420 = 1159/420 - So, 81/30 + 5/84 = 1159/420
In mixed form: 2319/420
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