Add 18/25 and 63/90
18/25 + 63/90 is 71/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
18/25 = 18 × 18/25 × 18 = 324/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Add the two like fractions:
324/450 + 315/450 = 324 + 315/450 = 639/450 - 639/450 simplified gives 71/50
- So, 18/25 + 63/90 = 71/50
In mixed form: 121/50
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