Add 81/6 and 42/45
1st number: 13 3/6, 2nd number: 42/45
81/6 + 42/45 is 433/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
81/6 = 81 × 15/6 × 15 = 1215/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90 - Add the two like fractions:
1215/90 + 84/90 = 1215 + 84/90 = 1299/90 - 1299/90 simplified gives 433/30
- So, 81/6 + 42/45 = 433/30
In mixed form: 1413/30
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