Add 81/54 and 42/45
1st number: 1 27/54, 2nd number: 42/45
81/54 + 42/45 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
42/45 = 42 × 6/45 × 6 = 252/270 - Add the two like fractions:
405/270 + 252/270 = 405 + 252/270 = 657/270 - 657/270 simplified gives 73/30
- So, 81/54 + 42/45 = 73/30
In mixed form: 213/30
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