Add 84/12 and 70/5
1st number: 7 0/12, 2nd number: 14 0/5
84/12 + 70/5 is 21/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
70/5 = 70 × 12/5 × 12 = 840/60 - Add the two like fractions:
420/60 + 840/60 = 420 + 840/60 = 1260/60 - 1260/60 simplified gives 21/1
- So, 84/12 + 70/5 = 21/1
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