Subtract 15/70 from 15/9, Solve 1 6/9

Subtract 15/70 from 15/9

1^st number: 1 6/9, 2^nd number: 15/70

15/9 - 15/70 is 61/42.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
15/9 = 15 × 70/9 × 70 = 1050/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630
Subtract the two like fractions:
1050/630 - 135/630 = 1050 - 135/630 = 915/630
After reducing the fraction, the answer is 61/42
In mixed form: 119/42

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