Subtract 50/21 from 30/35
1st number: 30/35, 2nd number: 2 8/21
30/35 - 50/21 is -32/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
30/35 = 30 × 3/35 × 3 = 90/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
50/21 = 50 × 5/21 × 5 = 250/105 - Subtract the two like fractions:
90/105 - 250/105 = 90 - 250/105 = -160/105 - After reducing the fraction, the answer is -32/21
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