Subtract 48/45 from 42/56
1st number: 42/56, 2nd number: 1 3/45
42/56 - 48/45 is -19/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
42/56 = 42 × 45/56 × 45 = 1890/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
48/45 = 48 × 56/45 × 56 = 2688/2520 - Subtract the two like fractions:
1890/2520 - 2688/2520 = 1890 - 2688/2520 = -798/2520 - After reducing the fraction, the answer is -19/60
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