Add 72/90 and 18/25
72/90 + 18/25 is 38/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
72/90 = 72 × 5/90 × 5 = 360/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
18/25 = 18 × 18/25 × 18 = 324/450 - Add the two like fractions:
360/450 + 324/450 = 360 + 324/450 = 684/450 - 684/450 simplified gives 38/25
- So, 72/90 + 18/25 = 38/25
In mixed form: 113/25
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