Add 30/25 and 90/7
1st number: 1 5/25, 2nd number: 12 6/7
30/25 + 90/7 is 492/35.
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,
30/25 = 30 × 7/25 × 7 = 210/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
90/7 = 90 × 25/7 × 25 = 2250/175 - Add the two like fractions:
210/175 + 2250/175 = 210 + 2250/175 = 2460/175 - 2460/175 simplified gives 492/35
- So, 30/25 + 90/7 = 492/35
In mixed form: 142/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+90/7 30/50+90/7 30/25+90/14 90/25+90/7 30/75+90/7 30/25+90/21 30/25+90/35 30/25+90/49