Add 21/2 and 84/70
1st number: 10 1/2, 2nd number: 1 14/70
21/2 + 84/70 is 117/10.
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,
21/2 = 21 × 35/2 × 35 = 735/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
735/70 + 84/70 = 735 + 84/70 = 819/70 - 819/70 simplified gives 117/10
- So, 21/2 + 84/70 = 117/10
In mixed form: 117/10
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