Add 15/10 and 84/4
1st number: 1 5/10, 2nd number: 21 0/4
15/10 + 84/4 is 45/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
15/10 = 15 × 2/10 × 2 = 30/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
84/4 = 84 × 5/4 × 5 = 420/20 - Add the two like fractions:
30/20 + 420/20 = 30 + 420/20 = 450/20 - 450/20 simplified gives 45/2
- So, 15/10 + 84/4 = 45/2
In mixed form: 221/2
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