Subtract 4/42 from 45/10, Solve 4 5/10

Subtract 4/42 from 45/10

1^st number: 4 5/10, 2^nd number: 4/42

45/10 - 4/42 is 185/42.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
45/10 = 45 × 21/10 × 21 = 945/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210
Subtract the two like fractions:
945/210 - 20/210 = 945 - 20/210 = 925/210
After reducing the fraction, the answer is 185/42
In mixed form: 417/42

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