Subtract 42/27 from 45/48
1st number: 45/48, 2nd number: 1 15/27
45/48 - 42/27 is -89/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
45/48 = 45 × 9/48 × 9 = 405/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
42/27 = 42 × 16/27 × 16 = 672/432 - Subtract the two like fractions:
405/432 - 672/432 = 405 - 672/432 = -267/432 - After reducing the fraction, the answer is -89/144
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