Subtract 70/50 from 84/64
1st number: 1 20/64, 2nd number: 1 20/50
84/64 - 70/50 is -7/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 50 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 64 × 25 = 1600,
84/64 = 84 × 25/64 × 25 = 2100/1600 - Likewise, for the 2nd fraction, since 50 × 32 = 1600,
70/50 = 70 × 32/50 × 32 = 2240/1600 - Subtract the two like fractions:
2100/1600 - 2240/1600 = 2100 - 2240/1600 = -140/1600 - After reducing the fraction, the answer is -7/80
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