Subtract 48/42 from 3/10, Solve 3/10

Subtract 48/42 from 3/10

1^st number: 3/10, 2^nd number: 1 6/42

3/10 - 48/42 is -59/70.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
3/10 = 3 × 21/10 × 21 = 63/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
48/42 = 48 × 5/42 × 5 = 240/210
Subtract the two like fractions:
63/210 - 240/210 = 63 - 240/210 = -177/210
After reducing the fraction, the answer is -59/70

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