Add 84/2 and 21/30
1st number: 42 0/2, 2nd number: 21/30
84/2 + 21/30 is 427/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
84/2 = 84 × 15/2 × 15 = 1260/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
1260/30 + 21/30 = 1260 + 21/30 = 1281/30 - 1281/30 simplified gives 427/10
- So, 84/2 + 21/30 = 427/10
In mixed form: 427/10
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