Add 84/4 and 7/10
1st number: 21 0/4, 2nd number: 7/10
84/4 + 7/10 is 217/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
84/4 = 84 × 5/4 × 5 = 420/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
7/10 = 7 × 2/10 × 2 = 14/20 - Add the two like fractions:
420/20 + 14/20 = 420 + 14/20 = 434/20 - 434/20 simplified gives 217/10
- So, 84/4 + 7/10 = 217/10
In mixed form: 217/10
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