Add 12/90 and 90/25
1st number: 12/90, 2nd number: 3 15/25
12/90 + 90/25 is 56/15.
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,
12/90 = 12 × 5/90 × 5 = 60/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
90/25 = 90 × 18/25 × 18 = 1620/450 - Add the two like fractions:
60/450 + 1620/450 = 60 + 1620/450 = 1680/450 - 1680/450 simplified gives 56/15
- So, 12/90 + 90/25 = 56/15
In mixed form: 311/15
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