Add 81/2 and 30/70
1st number: 40 1/2, 2nd number: 30/70
81/2 + 30/70 is 573/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
81/2 = 81 × 35/2 × 35 = 2835/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Add the two like fractions:
2835/70 + 30/70 = 2835 + 30/70 = 2865/70 - 2865/70 simplified gives 573/14
- So, 81/2 + 30/70 = 573/14
In mixed form: 4013/14
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