Add 5/84 and 84/45
1st number: 5/84, 2nd number: 1 39/45
5/84 + 84/45 is 809/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
5/84 = 5 × 15/84 × 15 = 75/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
84/45 = 84 × 28/45 × 28 = 2352/1260 - Add the two like fractions:
75/1260 + 2352/1260 = 75 + 2352/1260 = 2427/1260 - 2427/1260 simplified gives 809/420
- So, 5/84 + 84/45 = 809/420
In mixed form: 1389/420
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