Add 18/81 and 90/48
1st number: 18/81, 2nd number: 1 42/48
18/81 + 90/48 is 151/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 48 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
18/81 = 18 × 16/81 × 16 = 288/1296 - Likewise, for the 2nd fraction, since 48 × 27 = 1296,
90/48 = 90 × 27/48 × 27 = 2430/1296 - Add the two like fractions:
288/1296 + 2430/1296 = 288 + 2430/1296 = 2718/1296 - 2718/1296 simplified gives 151/72
- So, 18/81 + 90/48 = 151/72
In mixed form: 27/72
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