Add 84/15 and 12/48
1st number: 5 9/15, 2nd number: 12/48
84/15 + 12/48 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
84/15 = 84 × 16/15 × 16 = 1344/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
12/48 = 12 × 5/48 × 5 = 60/240 - Add the two like fractions:
1344/240 + 60/240 = 1344 + 60/240 = 1404/240 - 1404/240 simplified gives 117/20
- So, 84/15 + 12/48 = 117/20
In mixed form: 517/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+24/48 84/30+12/48 84/15+12/96 84/15+36/48 84/45+12/48 84/15+60/48 84/75+12/48 84/15+84/48