Subtract 4/30 from 36/40, Solve 36/40

Subtract 4/30 from 36/40

36/40 - 4/30 is 23/30.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
4/30 = 4 × 4/30 × 4 = 16/120
Subtract the two like fractions:
108/120 - 16/120 = 108 - 16/120 = 92/120
After reducing the fraction, the answer is 23/30

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