Add 28/27 and 90/72
1st number: 1 1/27, 2nd number: 1 18/72
28/27 + 90/72 is 247/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
28/27 = 28 × 8/27 × 8 = 224/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
90/72 = 90 × 3/72 × 3 = 270/216 - Add the two like fractions:
224/216 + 270/216 = 224 + 270/216 = 494/216 - 494/216 simplified gives 247/108
- So, 28/27 + 90/72 = 247/108
In mixed form: 231/108
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