Add 10/25 and 90/12
1st number: 10/25, 2nd number: 7 6/12
10/25 + 90/12 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
10/25 = 10 × 12/25 × 12 = 120/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300 - Add the two like fractions:
120/300 + 2250/300 = 120 + 2250/300 = 2370/300 - 2370/300 simplified gives 79/10
- So, 10/25 + 90/12 = 79/10
In mixed form: 79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25+90/12 10/50+90/12 10/25+90/24 30/25+90/12 10/75+90/12 10/25+90/36 50/25+90/12 10/25+90/60 70/25+90/12 10/25+90/84