Subtract 45/42 from 40/35, Solve 1 5/35

Subtract 45/42 from 40/35

1^st number: 1 5/35, 2^nd number: 1 3/42

40/35 - 45/42 is 1/14.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
40/35 = 40 × 6/35 × 6 = 240/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Subtract the two like fractions:
240/210 - 225/210 = 240 - 225/210 = 15/210
After reducing the fraction, the answer is 1/14

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