Add 81/6 and 70/80
1st number: 13 3/6, 2nd number: 70/80
81/6 + 70/80 is 115/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
81/6 = 81 × 40/6 × 40 = 3240/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240 - Add the two like fractions:
3240/240 + 210/240 = 3240 + 210/240 = 3450/240 - 3450/240 simplified gives 115/8
- So, 81/6 + 70/80 = 115/8
In mixed form: 143/8
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