Add 15/90 and 84/72
1st number: 15/90, 2nd number: 1 12/72
15/90 + 84/72 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
60/360 + 420/360 = 60 + 420/360 = 480/360 - 480/360 simplified gives 4/3
- So, 15/90 + 84/72 = 4/3
In mixed form: 11/3
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