Add 90/27 and 12/45
1st number: 3 9/27, 2nd number: 12/45
90/27 + 12/45 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
12/45 = 12 × 3/45 × 3 = 36/135 - Add the two like fractions:
450/135 + 36/135 = 450 + 36/135 = 486/135 - 486/135 simplified gives 18/5
- So, 90/27 + 12/45 = 18/5
In mixed form: 33/5
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