Subtract 4/90 from 42/32, Solve 1 10/32

Subtract 4/90 from 42/32

1^st number: 1 10/32, 2^nd number: 4/90

42/32 - 4/90 is 913/720.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440

Next, find the equivalent fraction of both fractional numbers with denominator 1440
For the 1st fraction, since 32 × 45 = 1440,
42/32 = 42 × 45/32 × 45 = 1890/1440
Likewise, for the 2nd fraction, since 90 × 16 = 1440,
4/90 = 4 × 16/90 × 16 = 64/1440
Subtract the two like fractions:
1890/1440 - 64/1440 = 1890 - 64/1440 = 1826/1440
After reducing the fraction, the answer is 913/720
In mixed form: 1193/720

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