Subtract 63/5 from 50/72
1st number: 50/72, 2nd number: 12 3/5
50/72 - 63/5 is -2143/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
63/5 = 63 × 72/5 × 72 = 4536/360 - Subtract the two like fractions:
250/360 - 4536/360 = 250 - 4536/360 = -4286/360 - After reducing the fraction, the answer is -2143/180
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