Subtract 50/70 from 81/2
1st number: 40 1/2, 2nd number: 50/70
81/2 - 50/70 is 557/14.
Steps for subtracting 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,
50/70 = 50 × 1/70 × 1 = 50/70 - Subtract the two like fractions:
2835/70 - 50/70 = 2835 - 50/70 = 2785/70 - After reducing the fraction, the answer is 557/14
- In mixed form: 3911/14
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