Add 30/2 and 84/70
1st number: 15 0/2, 2nd number: 1 14/70
30/2 + 84/70 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
30/2 = 30 × 35/2 × 35 = 1050/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
1050/70 + 84/70 = 1050 + 84/70 = 1134/70 - 1134/70 simplified gives 81/5
- So, 30/2 + 84/70 = 81/5
In mixed form: 161/5
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