Add 56/5 and 21/84
1st number: 11 1/5, 2nd number: 21/84
56/5 + 21/84 is 229/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
56/5 = 56 × 84/5 × 84 = 4704/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Add the two like fractions:
4704/420 + 105/420 = 4704 + 105/420 = 4809/420 - 4809/420 simplified gives 229/20
- So, 56/5 + 21/84 = 229/20
In mixed form: 119/20
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