Subtract 15/90 from 48/7, Solve 6 6/7

Subtract 15/90 from 48/7

1^st number: 6 6/7, 2^nd number: 15/90

48/7 - 15/90 is 281/42.

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,
15/90 = 15 × 7/90 × 7 = 105/630
Subtract the two like fractions:
4320/630 - 105/630 = 4320 - 105/630 = 4215/630
After reducing the fraction, the answer is 281/42
In mixed form: 629/42

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