Add 90/4 and 84/72
1st number: 22 2/4, 2nd number: 1 12/72
90/4 + 84/72 is 71/3.
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,
90/4 = 90 × 18/4 × 18 = 1620/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Add the two like fractions:
1620/72 + 84/72 = 1620 + 84/72 = 1704/72 - 1704/72 simplified gives 71/3
- So, 90/4 + 84/72 = 71/3
In mixed form: 232/3
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