Subtract 42/72 from 50/7
1st number: 7 1/7, 2nd number: 42/72
50/7 - 42/72 is 551/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
50/7 = 50 × 72/7 × 72 = 3600/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Subtract the two like fractions:
3600/504 - 294/504 = 3600 - 294/504 = 3306/504 - After reducing the fraction, the answer is 551/84
- In mixed form: 647/84
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