Add 81/2 and 70/35
1st number: 40 1/2, 2nd number: 2 0/35
81/2 + 70/35 is 85/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 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 35 × 2 = 70,
70/35 = 70 × 2/35 × 2 = 140/70 - Add the two like fractions:
2835/70 + 140/70 = 2835 + 140/70 = 2975/70 - 2975/70 simplified gives 85/2
- So, 81/2 + 70/35 = 85/2
In mixed form: 421/2
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