Subtract 42/7 from 35/80
1st number: 35/80, 2nd number: 6 0/7
35/80 - 42/7 is -89/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
35/80 = 35 × 7/80 × 7 = 245/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
42/7 = 42 × 80/7 × 80 = 3360/560 - Subtract the two like fractions:
245/560 - 3360/560 = 245 - 3360/560 = -3115/560 - After reducing the fraction, the answer is -89/16
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