Subtract 63/18 from 72/75
1st number: 72/75, 2nd number: 3 9/18
72/75 - 63/18 is -127/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
72/75 = 72 × 6/75 × 6 = 432/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
63/18 = 63 × 25/18 × 25 = 1575/450 - Subtract the two like fractions:
432/450 - 1575/450 = 432 - 1575/450 = -1143/450 - After reducing the fraction, the answer is -127/50
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