Add 3/4 and 84/72
1st number: 3/4, 2nd number: 1 12/72
3/4 + 84/72 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
3/4 = 3 × 18/4 × 18 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Add the two like fractions:
54/72 + 84/72 = 54 + 84/72 = 138/72 - 138/72 simplified gives 23/12
- So, 3/4 + 84/72 = 23/12
In mixed form: 111/12
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