Add 81/9 and 90/45
1st number: 9 0/9, 2nd number: 2 0/45
81/9 + 90/45 is 11/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
81/9 = 81 × 5/9 × 5 = 405/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Add the two like fractions:
405/45 + 90/45 = 405 + 90/45 = 495/45 - 495/45 simplified gives 11/1
- So, 81/9 + 90/45 = 11/1
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