Subtract 15/28 from 72/4
1st number: 18 0/4, 2nd number: 15/28
72/4 - 15/28 is 489/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
72/4 = 72 × 7/4 × 7 = 504/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Subtract the two like fractions:
504/28 - 15/28 = 504 - 15/28 = 489/28 - In mixed form: 1713/28
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