Subtract 3/49 from 40/10, Solve 4 0/10

Subtract 3/49 from 40/10

1^st number: 4 0/10, 2^nd number: 3/49

40/10 - 3/49 is 193/49.

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,
40/10 = 40 × 49/10 × 49 = 1960/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
3/49 = 3 × 10/49 × 10 = 30/490
Subtract the two like fractions:
1960/490 - 30/490 = 1960 - 30/490 = 1930/490
After reducing the fraction, the answer is 193/49
In mixed form: 346/49

MathStep (Works offline)

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