Add 90/15 and 18/48
1st number: 6 0/15, 2nd number: 18/48
90/15 + 18/48 is 51/8.
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,
90/15 = 90 × 16/15 × 16 = 1440/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Add the two like fractions:
1440/240 + 90/240 = 1440 + 90/240 = 1530/240 - 1530/240 simplified gives 51/8
- So, 90/15 + 18/48 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+36/48 90/30+18/48 90/15+18/96 90/15+54/48 90/45+18/48 90/15+90/48 90/75+18/48