Subtract 30/90 from 48/7
1st number: 6 6/7, 2nd number: 30/90
48/7 - 30/90 is 137/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
48/7 = 48 × 90/7 × 90 = 4320/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Subtract the two like fractions:
4320/630 - 210/630 = 4320 - 210/630 = 4110/630 - After reducing the fraction, the answer is 137/21
- In mixed form: 611/21
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