Subtract 30/50 from 40/21
1st number: 1 19/21, 2nd number: 30/50
40/21 - 30/50 is 137/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
40/21 = 40 × 50/21 × 50 = 2000/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
30/50 = 30 × 21/50 × 21 = 630/1050 - Subtract the two like fractions:
2000/1050 - 630/1050 = 2000 - 630/1050 = 1370/1050 - After reducing the fraction, the answer is 137/105
- In mixed form: 132/105
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