Subtract 1/49 from 40/25, Solve 1 15/25

Subtract 1/49 from 40/25

1^st number: 1 15/25, 2^nd number: 1/49

40/25 - 1/49 is 387/245.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 49 is 1225

Next, find the equivalent fraction of both fractional numbers with denominator 1225
For the 1st fraction, since 25 × 49 = 1225,
40/25 = 40 × 49/25 × 49 = 1960/1225
Likewise, for the 2nd fraction, since 49 × 25 = 1225,
1/49 = 1 × 25/49 × 25 = 25/1225
Subtract the two like fractions:
1960/1225 - 25/1225 = 1960 - 25/1225 = 1935/1225
After reducing the fraction, the answer is 387/245
In mixed form: 1142/245

MathStep (Works offline)

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