Subtract 30/5 from 60/21
1st number: 2 18/21, 2nd number: 6 0/5
60/21 - 30/5 is -22/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
60/21 = 60 × 5/21 × 5 = 300/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
30/5 = 30 × 21/5 × 21 = 630/105 - Subtract the two like fractions:
300/105 - 630/105 = 300 - 630/105 = -330/105 - After reducing the fraction, the answer is -22/7
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