Add 32/15 and 21/42
1st number: 2 2/15, 2nd number: 21/42
32/15 + 21/42 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
32/15 = 32 × 14/15 × 14 = 448/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
21/42 = 21 × 5/42 × 5 = 105/210 - Add the two like fractions:
448/210 + 105/210 = 448 + 105/210 = 553/210 - 553/210 simplified gives 79/30
- So, 32/15 + 21/42 = 79/30
In mixed form: 219/30
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