Subtract 5/42 from 75/30
1st number: 2 15/30, 2nd number: 5/42
75/30 - 5/42 is 50/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Subtract the two like fractions:
525/210 - 25/210 = 525 - 25/210 = 500/210 - After reducing the fraction, the answer is 50/21
- In mixed form: 28/21
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