Add 81/6 and 18/45
1st number: 13 3/6, 2nd number: 18/45
81/6 + 18/45 is 139/10.
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,
18/45 = 18 × 2/45 × 2 = 36/90 - Add the two like fractions:
1215/90 + 36/90 = 1215 + 36/90 = 1251/90 - 1251/90 simplified gives 139/10
- So, 81/6 + 18/45 = 139/10
In mixed form: 139/10
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