Add 90/48 and 7/15
1st number: 1 42/48, 2nd number: 7/15
90/48 + 7/15 is 281/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
7/15 = 7 × 16/15 × 16 = 112/240 - Add the two like fractions:
450/240 + 112/240 = 450 + 112/240 = 562/240 - 562/240 simplified gives 281/120
- So, 90/48 + 7/15 = 281/120
In mixed form: 241/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+14/15 90/96+7/15 90/48+7/30 90/48+21/15 90/48+7/45 90/48+35/15 90/48+7/75 90/48+49/15