Add 84/12 and 2/15
1st number: 7 0/12, 2nd number: 2/15
84/12 + 2/15 is 107/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 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 15 × 4 = 60,
2/15 = 2 × 4/15 × 4 = 8/60 - Add the two like fractions:
420/60 + 8/60 = 420 + 8/60 = 428/60 - 428/60 simplified gives 107/15
- So, 84/12 + 2/15 = 107/15
In mixed form: 72/15
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