Add 70/5 and 81/12
1st number: 14 0/5, 2nd number: 6 9/12
70/5 + 81/12 is 83/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
70/5 = 70 × 12/5 × 12 = 840/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Add the two like fractions:
840/60 + 405/60 = 840 + 405/60 = 1245/60 - 1245/60 simplified gives 83/4
- So, 70/5 + 81/12 = 83/4
In mixed form: 203/4
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