Subtract 9/98 from 75/10, Solve 7 5/10

Subtract 9/98 from 75/10

1^st number: 7 5/10, 2^nd number: 9/98

75/10 - 9/98 is 363/49.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 10 × 49 = 490,
75/10 = 75 × 49/10 × 49 = 3675/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
9/98 = 9 × 5/98 × 5 = 45/490
Subtract the two like fractions:
3675/490 - 45/490 = 3675 - 45/490 = 3630/490
After reducing the fraction, the answer is 363/49
In mixed form: 720/49

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