Add 84/4 and 72/30
1st number: 21 0/4, 2nd number: 2 12/30
84/4 + 72/30 is 117/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
84/4 = 84 × 15/4 × 15 = 1260/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Add the two like fractions:
1260/60 + 144/60 = 1260 + 144/60 = 1404/60 - 1404/60 simplified gives 117/5
- So, 84/4 + 72/30 = 117/5
In mixed form: 232/5
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