Subtract 7/40 from 96/30, Solve 3 6/30

Subtract 7/40 from 96/30

1^st number: 3 6/30, 2^nd number: 7/40

96/30 - 7/40 is 121/40.

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,
96/30 = 96 × 4/30 × 4 = 384/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120
Subtract the two like fractions:
384/120 - 21/120 = 384 - 21/120 = 363/120
After reducing the fraction, the answer is 121/40
In mixed form: 31/40

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