Subtract 16/21 from 49/30, Solve 1 19/30

Subtract 16/21 from 49/30

1^st number: 1 19/30, 2^nd number: 16/21

49/30 - 16/21 is 61/70.

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,
49/30 = 49 × 7/30 × 7 = 343/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
16/21 = 16 × 10/21 × 10 = 160/210
Subtract the two like fractions:
343/210 - 160/210 = 343 - 160/210 = 183/210
After reducing the fraction, the answer is 61/70

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