Add 84/90 and 72/54
1st number: 84/90, 2nd number: 1 18/54
84/90 + 72/54 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
84/90 = 84 × 3/90 × 3 = 252/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Add the two like fractions:
252/270 + 360/270 = 252 + 360/270 = 612/270 - 612/270 simplified gives 34/15
- So, 84/90 + 72/54 = 34/15
In mixed form: 24/15
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