Subtract 35/72 from 30/4
1st number: 7 2/4, 2nd number: 35/72
30/4 - 35/72 is 505/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
30/4 = 30 × 18/4 × 18 = 540/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
35/72 = 35 × 1/72 × 1 = 35/72 - Subtract the two like fractions:
540/72 - 35/72 = 540 - 35/72 = 505/72 - In mixed form: 71/72
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