Subtract 21/60 from 30/4
1st number: 7 2/4, 2nd number: 21/60
30/4 - 21/60 is 143/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Subtract the two like fractions:
450/60 - 21/60 = 450 - 21/60 = 429/60 - After reducing the fraction, the answer is 143/20
- In mixed form: 73/20
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