Add 72/2 and 21/10
1st number: 36 0/2, 2nd number: 2 1/10
72/2 + 21/10 is 381/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
72/2 = 72 × 5/2 × 5 = 360/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
21/10 = 21 × 1/10 × 1 = 21/10 - Add the two like fractions:
360/10 + 21/10 = 360 + 21/10 = 381/10 - So, 72/2 + 21/10 = 381/10
In mixed form: 381/10
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