Subtract 50/49 from 45/72
1st number: 45/72, 2nd number: 1 1/49
45/72 - 50/49 is -155/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
45/72 = 45 × 49/72 × 49 = 2205/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
50/49 = 50 × 72/49 × 72 = 3600/3528 - Subtract the two like fractions:
2205/3528 - 3600/3528 = 2205 - 3600/3528 = -1395/3528 - After reducing the fraction, the answer is -155/392
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