Subtract 45/60 from 30/7
1st number: 4 2/7, 2nd number: 45/60
30/7 - 45/60 is 99/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
30/7 = 30 × 60/7 × 60 = 1800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
45/60 = 45 × 7/60 × 7 = 315/420 - Subtract the two like fractions:
1800/420 - 315/420 = 1800 - 315/420 = 1485/420 - After reducing the fraction, the answer is 99/28
- In mixed form: 315/28
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