Add 90/9 and 48/40
1st number: 10 0/9, 2nd number: 1 8/40
90/9 + 48/40 is 56/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
90/9 = 90 × 40/9 × 40 = 3600/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Add the two like fractions:
3600/360 + 432/360 = 3600 + 432/360 = 4032/360 - 4032/360 simplified gives 56/5
- So, 90/9 + 48/40 = 56/5
In mixed form: 111/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+96/40 90/18+48/40 90/9+48/80 90/27+48/40 90/45+48/40 90/63+48/40