Subtract 49/21 from 6/10, Solve 6/10

Subtract 49/21 from 6/10

1^st number: 6/10, 2^nd number: 2 7/21

6/10 - 49/21 is -26/15.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
6/10 = 6 × 21/10 × 21 = 126/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
49/21 = 49 × 10/21 × 10 = 490/210
Subtract the two like fractions:
126/210 - 490/210 = 126 - 490/210 = -364/210
After reducing the fraction, the answer is -26/15

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