Subtract 7/80 from 49/10, Solve 4 9/10

Subtract 7/80 from 49/10

1^st number: 4 9/10, 2^nd number: 7/80

49/10 - 7/80 is 77/16.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 10 × 8 = 80,
49/10 = 49 × 8/10 × 8 = 392/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80
Subtract the two like fractions:
392/80 - 7/80 = 392 - 7/80 = 385/80
After reducing the fraction, the answer is 77/16
In mixed form: 413/16

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