Add 9/10 and 90/45
1st number: 9/10, 2nd number: 2 0/45
9/10 + 90/45 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Add the two like fractions:
81/90 + 180/90 = 81 + 180/90 = 261/90 - 261/90 simplified gives 29/10
- So, 9/10 + 90/45 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+90/45 9/20+90/45 27/10+90/45 9/30+90/45 45/10+90/45 9/50+90/45 63/10+90/45 9/70+90/45