Add 90/48 and 5/45
1st number: 1 42/48, 2nd number: 5/45
90/48 + 5/45 is 143/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
90/48 = 90 × 15/48 × 15 = 1350/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
5/45 = 5 × 16/45 × 16 = 80/720 - Add the two like fractions:
1350/720 + 80/720 = 1350 + 80/720 = 1430/720 - 1430/720 simplified gives 143/72
- So, 90/48 + 5/45 = 143/72
In mixed form: 171/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+10/45 90/96+5/45 90/48+5/90 90/48+15/45 90/48+25/45 90/48+35/45