Add 18/72 and 28/27
1st number: 18/72, 2nd number: 1 1/27
18/72 + 28/27 is 139/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
18/72 = 18 × 3/72 × 3 = 54/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
28/27 = 28 × 8/27 × 8 = 224/216 - Add the two like fractions:
54/216 + 224/216 = 54 + 224/216 = 278/216 - 278/216 simplified gives 139/108
- So, 18/72 + 28/27 = 139/108
In mixed form: 131/108
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