Subtract 8/49 from 75/10, Solve 7 5/10

Subtract 8/49 from 75/10

1^st number: 7 5/10, 2^nd number: 8/49

75/10 - 8/49 is 719/98.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 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 49 × 10 = 490,
8/49 = 8 × 10/49 × 10 = 80/490
Subtract the two like fractions:
3675/490 - 80/490 = 3675 - 80/490 = 3595/490
After reducing the fraction, the answer is 719/98
In mixed form: 733/98

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad