Subtract 32/21 from 48/30, Solve 1 18/30

Subtract 32/21 from 48/30

1^st number: 1 18/30, 2^nd number: 1 11/21

48/30 - 32/21 is 8/105.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
48/30 = 48 × 7/30 × 7 = 336/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
32/21 = 32 × 10/21 × 10 = 320/210
Subtract the two like fractions:
336/210 - 320/210 = 336 - 320/210 = 16/210
After reducing the fraction, the answer is 8/105

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