Add 21/2 and 70/15
1st number: 10 1/2, 2nd number: 4 10/15
21/2 + 70/15 is 91/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
21/2 = 21 × 15/2 × 15 = 315/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Add the two like fractions:
315/30 + 140/30 = 315 + 140/30 = 455/30 - 455/30 simplified gives 91/6
- So, 21/2 + 70/15 = 91/6
In mixed form: 151/6
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