Subtract 70/21 from 30/48
1st number: 30/48, 2nd number: 3 7/21
30/48 - 70/21 is -65/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
30/48 = 30 × 7/48 × 7 = 210/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
70/21 = 70 × 16/21 × 16 = 1120/336 - Subtract the two like fractions:
210/336 - 1120/336 = 210 - 1120/336 = -910/336 - After reducing the fraction, the answer is -65/24
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