Subtract 35/90 from 12/7, Solve 1 5/7

Subtract 35/90 from 12/7

1^st number: 1 5/7, 2^nd number: 35/90

12/7 - 35/90 is 167/126.

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,
12/7 = 12 × 90/7 × 90 = 1080/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630
Subtract the two like fractions:
1080/630 - 245/630 = 1080 - 245/630 = 835/630
After reducing the fraction, the answer is 167/126
In mixed form: 141/126

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