Subtract 18/49 from 70/42
1st number: 1 28/42, 2nd number: 18/49
70/42 - 18/49 is 191/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
70/42 = 70 × 7/42 × 7 = 490/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
18/49 = 18 × 6/49 × 6 = 108/294 - Subtract the two like fractions:
490/294 - 108/294 = 490 - 108/294 = 382/294 - After reducing the fraction, the answer is 191/147
- In mixed form: 144/147
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