Subtract 7/10 from 42/96, Solve 42/96

Subtract 7/10 from 42/96

42/96 - 7/10 is -21/80.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 10 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 96 × 5 = 480,
42/96 = 42 × 5/96 × 5 = 210/480
Likewise, for the 2nd fraction, since 10 × 48 = 480,
7/10 = 7 × 48/10 × 48 = 336/480
Subtract the two like fractions:
210/480 - 336/480 = 210 - 336/480 = -126/480
After reducing the fraction, the answer is -21/80

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