Add 84/45 and 4/12
1st number: 1 39/45, 2nd number: 4/12
84/45 + 4/12 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
4/12 = 4 × 15/12 × 15 = 60/180 - Add the two like fractions:
336/180 + 60/180 = 336 + 60/180 = 396/180 - 396/180 simplified gives 11/5
- So, 84/45 + 4/12 = 11/5
In mixed form: 21/5
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