Add 12/90 and 28/18
1st number: 12/90, 2nd number: 1 10/18
12/90 + 28/18 is 76/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Add the two like fractions:
12/90 + 140/90 = 12 + 140/90 = 152/90 - 152/90 simplified gives 76/45
- So, 12/90 + 28/18 = 76/45
In mixed form: 131/45
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