Add 81/9 and 12/45
1st number: 9 0/9, 2nd number: 12/45
81/9 + 12/45 is 139/15.
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,
12/45 = 12 × 1/45 × 1 = 12/45 - Add the two like fractions:
405/45 + 12/45 = 405 + 12/45 = 417/45 - 417/45 simplified gives 139/15
- So, 81/9 + 12/45 = 139/15
In mixed form: 94/15
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