Add 90/72 and 75/27
1st number: 1 18/72, 2nd number: 2 21/27
90/72 + 75/27 is 145/36.
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,
90/72 = 90 × 3/72 × 3 = 270/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
75/27 = 75 × 8/27 × 8 = 600/216 - Add the two like fractions:
270/216 + 600/216 = 270 + 600/216 = 870/216 - 870/216 simplified gives 145/36
- So, 90/72 + 75/27 = 145/36
In mixed form: 41/36
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