Add 84/2 and 21/70
1st number: 42 0/2, 2nd number: 21/70
84/2 + 21/70 is 423/10.
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,
84/2 = 84 × 35/2 × 35 = 2940/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Add the two like fractions:
2940/70 + 21/70 = 2940 + 21/70 = 2961/70 - 2961/70 simplified gives 423/10
- So, 84/2 + 21/70 = 423/10
In mixed form: 423/10
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