Add 90/25 and 90/7
1st number: 3 15/25, 2nd number: 12 6/7
90/25 + 90/7 is 576/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
90/25 = 90 × 7/25 × 7 = 630/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
90/7 = 90 × 25/7 × 25 = 2250/175 - Add the two like fractions:
630/175 + 2250/175 = 630 + 2250/175 = 2880/175 - 2880/175 simplified gives 576/35
- So, 90/25 + 90/7 = 576/35
In mixed form: 1616/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+90/7 90/25+90/14 90/75+90/7 90/25+90/21 90/25+90/35 90/25+90/49