Add 12/7 and 9/48, Solve 1 5/7 + 9/48 as a fraction

Add 12/7 and 9/48

1^st number: 1 5/7, 2^nd number: 9/48

12/7 + 9/48 is 213/112.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 48 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 7 × 48 = 336,
12/7 = 12 × 48/7 × 48 = 576/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
9/48 = 9 × 7/48 × 7 = 63/336
Add the two like fractions:
576/336 + 63/336 = 576 + 63/336 = 639/336
639/336 simplified gives 213/112
So, 12/7 + 9/48 = 213/112
In mixed form: 1101/112

MathStep (Works offline)

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