Add 81/6 and 6/90
1st number: 13 3/6, 2nd number: 6/90
81/6 + 6/90 is 407/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 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 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
1215/90 + 6/90 = 1215 + 6/90 = 1221/90 - 1221/90 simplified gives 407/30
- So, 81/6 + 6/90 = 407/30
In mixed form: 1317/30
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