Subtract 49/40 from 12/6, Solve 2 0/6

Subtract 49/40 from 12/6

1^st number: 2 0/6, 2^nd number: 1 9/40

12/6 - 49/40 is 31/40.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
12/6 = 12 × 20/6 × 20 = 240/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120
Subtract the two like fractions:
240/120 - 147/120 = 240 - 147/120 = 93/120
After reducing the fraction, the answer is 31/40

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