Subtract 48/40 from 60/30, Solve 2 0/30

Subtract 48/40 from 60/30

1^st number: 2 0/30, 2^nd number: 1 8/40

60/30 - 48/40 is 4/5.

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

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
60/30 = 60 × 4/30 × 4 = 240/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
48/40 = 48 × 3/40 × 3 = 144/120
Subtract the two like fractions:
240/120 - 144/120 = 240 - 144/120 = 96/120
After reducing the fraction, the answer is 4/5

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