Add 80/48 and 42/90
1st number: 1 32/48, 2nd number: 42/90
80/48 + 42/90 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
80/48 = 80 × 15/48 × 15 = 1200/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Add the two like fractions:
1200/720 + 336/720 = 1200 + 336/720 = 1536/720 - 1536/720 simplified gives 32/15
- So, 80/48 + 42/90 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/48+84/90 80/96+42/90