Add 30/70 and 84/7
1st number: 30/70, 2nd number: 12 0/7
30/70 + 84/7 is 87/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
84/7 = 84 × 10/7 × 10 = 840/70 - Add the two like fractions:
30/70 + 840/70 = 30 + 840/70 = 870/70 - 870/70 simplified gives 87/7
- So, 30/70 + 84/7 = 87/7
In mixed form: 123/7
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