Subtract 42/45 from 6/8
6/8 - 42/45 is -11/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
6/8 = 6 × 45/8 × 45 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Subtract the two like fractions:
270/360 - 336/360 = 270 - 336/360 = -66/360 - After reducing the fraction, the answer is -11/60
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