Add 30/42 and 24/15
1st number: 30/42, 2nd number: 1 9/15
30/42 + 24/15 is 81/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
24/15 = 24 × 14/15 × 14 = 336/210 - Add the two like fractions:
150/210 + 336/210 = 150 + 336/210 = 486/210 - 486/210 simplified gives 81/35
- So, 30/42 + 24/15 = 81/35
In mixed form: 211/35
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