Subtract 49/45 from 90/5
1st number: 18 0/5, 2nd number: 1 4/45
90/5 - 49/45 is 761/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
49/45 = 49 × 1/45 × 1 = 49/45 - Subtract the two like fractions:
810/45 - 49/45 = 810 - 49/45 = 761/45 - In mixed form: 1641/45
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