Subtract 20/16 from 40/70
1st number: 40/70, 2nd number: 1 4/16
40/70 - 20/16 is -19/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
40/70 = 40 × 8/70 × 8 = 320/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
20/16 = 20 × 35/16 × 35 = 700/560 - Subtract the two like fractions:
320/560 - 700/560 = 320 - 700/560 = -380/560 - After reducing the fraction, the answer is -19/28
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