Add 84/7 and 15/10
1st number: 12 0/7, 2nd number: 1 5/10
84/7 + 15/10 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
84/7 = 84 × 10/7 × 10 = 840/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Add the two like fractions:
840/70 + 105/70 = 840 + 105/70 = 945/70 - 945/70 simplified gives 27/2
- So, 84/7 + 15/10 = 27/2
In mixed form: 131/2
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