Add 72/4 and 84/90
1st number: 18 0/4, 2nd number: 84/90
72/4 + 84/90 is 284/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
72/4 = 72 × 45/4 × 45 = 3240/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Add the two like fractions:
3240/180 + 168/180 = 3240 + 168/180 = 3408/180 - 3408/180 simplified gives 284/15
- So, 72/4 + 84/90 = 284/15
In mixed form: 1814/15
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