Subtract 45/60 from 20/49
20/49 - 45/60 is -67/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 49 × 60 = 2940,
20/49 = 20 × 60/49 × 60 = 1200/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
45/60 = 45 × 49/60 × 49 = 2205/2940 - Subtract the two like fractions:
1200/2940 - 2205/2940 = 1200 - 2205/2940 = -1005/2940 - After reducing the fraction, the answer is -67/196
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