Add 54/27 and 90/72
1st number: 2 0/27, 2nd number: 1 18/72
54/27 + 90/72 is 13/4.
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,
54/27 = 54 × 8/27 × 8 = 432/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
90/72 = 90 × 3/72 × 3 = 270/216 - Add the two like fractions:
432/216 + 270/216 = 432 + 270/216 = 702/216 - 702/216 simplified gives 13/4
- So, 54/27 + 90/72 = 13/4
In mixed form: 31/4
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