Add 12/90 and 28/27
1st number: 12/90, 2nd number: 1 1/27
12/90 + 28/27 is 158/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
12/90 = 12 × 3/90 × 3 = 36/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
28/27 = 28 × 10/27 × 10 = 280/270 - Add the two like fractions:
36/270 + 280/270 = 36 + 280/270 = 316/270 - 316/270 simplified gives 158/135
- So, 12/90 + 28/27 = 158/135
In mixed form: 123/135
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