Add 84/4 and 40/15
1st number: 21 0/4, 2nd number: 2 10/15
84/4 + 40/15 is 71/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 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 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Add the two like fractions:
1260/60 + 160/60 = 1260 + 160/60 = 1420/60 - 1420/60 simplified gives 71/3
- So, 84/4 + 40/15 = 71/3
In mixed form: 232/3
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