Subtract 9/48 from 84/70, Solve 1 14/70

Subtract 9/48 from 84/70

1^st number: 1 14/70, 2^nd number: 9/48

84/70 - 9/48 is 81/80.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 70 × 24 = 1680,
84/70 = 84 × 24/70 × 24 = 2016/1680
Likewise, for the 2nd fraction, since 48 × 35 = 1680,
9/48 = 9 × 35/48 × 35 = 315/1680
Subtract the two like fractions:
2016/1680 - 315/1680 = 2016 - 315/1680 = 1701/1680
After reducing the fraction, the answer is 81/80
In mixed form: 11/80

MathStep (Works offline)

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