Add 21/10 and 84/35
1st number: 2 1/10, 2nd number: 2 14/35
21/10 + 84/35 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
84/35 = 84 × 2/35 × 2 = 168/70 - Add the two like fractions:
147/70 + 168/70 = 147 + 168/70 = 315/70 - 315/70 simplified gives 9/2
- So, 21/10 + 84/35 = 9/2
In mixed form: 41/2
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