Subtract 50/90 from 72/30
1st number: 2 12/30, 2nd number: 50/90
72/30 - 50/90 is 83/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
50/90 = 50 × 1/90 × 1 = 50/90 - Subtract the two like fractions:
216/90 - 50/90 = 216 - 50/90 = 166/90 - After reducing the fraction, the answer is 83/45
- In mixed form: 138/45
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