Add 30/27 and 90/80
1st number: 1 3/27, 2nd number: 1 10/80
30/27 + 90/80 is 161/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
30/27 = 30 × 80/27 × 80 = 2400/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
90/80 = 90 × 27/80 × 27 = 2430/2160 - Add the two like fractions:
2400/2160 + 2430/2160 = 2400 + 2430/2160 = 4830/2160 - 4830/2160 simplified gives 161/72
- So, 30/27 + 90/80 = 161/72
In mixed form: 217/72
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