Add 84/4 and 84/45
1st number: 21 0/4, 2nd number: 1 39/45
84/4 + 84/45 is 343/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
84/4 = 84 × 45/4 × 45 = 3780/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
3780/180 + 336/180 = 3780 + 336/180 = 4116/180 - 4116/180 simplified gives 343/15
- So, 84/4 + 84/45 = 343/15
In mixed form: 2213/15
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