Subtract 84/16 from 70/49
1st number: 1 21/49, 2nd number: 5 4/16
70/49 - 84/16 is -107/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
70/49 = 70 × 16/49 × 16 = 1120/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
84/16 = 84 × 49/16 × 49 = 4116/784 - Subtract the two like fractions:
1120/784 - 4116/784 = 1120 - 4116/784 = -2996/784 - After reducing the fraction, the answer is -107/28
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