Subtract 10/30 from 70/49
1st number: 1 21/49, 2nd number: 10/30
70/49 - 10/30 is 23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
70/49 = 70 × 30/49 × 30 = 2100/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
10/30 = 10 × 49/30 × 49 = 490/1470 - Subtract the two like fractions:
2100/1470 - 490/1470 = 2100 - 490/1470 = 1610/1470 - After reducing the fraction, the answer is 23/21
- In mixed form: 12/21
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