Add 42/15 and 21/6
1st number: 2 12/15, 2nd number: 3 3/6
42/15 + 21/6 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Add the two like fractions:
84/30 + 105/30 = 84 + 105/30 = 189/30 - 189/30 simplified gives 63/10
- So, 42/15 + 21/6 = 63/10
In mixed form: 63/10
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