Add 90/25 and 45/10
1st number: 3 15/25, 2nd number: 4 5/10
90/25 + 45/10 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
90/25 = 90 × 2/25 × 2 = 180/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
45/10 = 45 × 5/10 × 5 = 225/50 - Add the two like fractions:
180/50 + 225/50 = 180 + 225/50 = 405/50 - 405/50 simplified gives 81/10
- So, 90/25 + 45/10 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+90/10 90/50+45/10 90/25+45/20 90/75+45/10 90/25+45/30 90/25+45/50 90/25+45/70