Add 84/15 and 70/7
1st number: 5 9/15, 2nd number: 10 0/7
84/15 + 70/7 is 78/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
84/15 = 84 × 7/15 × 7 = 588/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
70/7 = 70 × 15/7 × 15 = 1050/105 - Add the two like fractions:
588/105 + 1050/105 = 588 + 1050/105 = 1638/105 - 1638/105 simplified gives 78/5
- So, 84/15 + 70/7 = 78/5
In mixed form: 153/5
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