Add 72/7 and 84/70
1st number: 10 2/7, 2nd number: 1 14/70
72/7 + 84/70 is 402/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
72/7 = 72 × 10/7 × 10 = 720/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
720/70 + 84/70 = 720 + 84/70 = 804/70 - 804/70 simplified gives 402/35
- So, 72/7 + 84/70 = 402/35
In mixed form: 1117/35
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