Add 84/3 and 90/72
1st number: 28 0/3, 2nd number: 1 18/72
84/3 + 90/72 is 117/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
84/3 = 84 × 24/3 × 24 = 2016/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
2016/72 + 90/72 = 2016 + 90/72 = 2106/72 - 2106/72 simplified gives 117/4
- So, 84/3 + 90/72 = 117/4
In mixed form: 291/4
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