Add 90/48 and 45/81
1st number: 1 42/48, 2nd number: 45/81
90/48 + 45/81 is 175/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
90/48 = 90 × 27/48 × 27 = 2430/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
45/81 = 45 × 16/81 × 16 = 720/1296 - Add the two like fractions:
2430/1296 + 720/1296 = 2430 + 720/1296 = 3150/1296 - 3150/1296 simplified gives 175/72
- So, 90/48 + 45/81 = 175/72
In mixed form: 231/72
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