Add 84/18 and 4/5
1st number: 4 12/18, 2nd number: 4/5
84/18 + 4/5 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
4/5 = 4 × 18/5 × 18 = 72/90 - Add the two like fractions:
420/90 + 72/90 = 420 + 72/90 = 492/90 - 492/90 simplified gives 82/15
- So, 84/18 + 4/5 = 82/15
In mixed form: 57/15
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