Subtract 1/45 from 72/5
1st number: 14 2/5, 2nd number: 1/45
72/5 - 1/45 is 647/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
72/5 = 72 × 9/5 × 9 = 648/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Subtract the two like fractions:
648/45 - 1/45 = 648 - 1/45 = 647/45 - In mixed form: 1417/45
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