Subtract 49/8 from 42/45
1st number: 42/45, 2nd number: 6 1/8
42/45 - 49/8 is -623/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
49/8 = 49 × 45/8 × 45 = 2205/360 - Subtract the two like fractions:
336/360 - 2205/360 = 336 - 2205/360 = -1869/360 - After reducing the fraction, the answer is -623/120
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