Add 30/25 and 90/8
1st number: 1 5/25, 2nd number: 11 2/8
30/25 + 90/8 is 249/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
30/25 = 30 × 8/25 × 8 = 240/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
90/8 = 90 × 25/8 × 25 = 2250/200 - Add the two like fractions:
240/200 + 2250/200 = 240 + 2250/200 = 2490/200 - 2490/200 simplified gives 249/20
- So, 30/25 + 90/8 = 249/20
In mixed form: 129/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+90/8 30/50+90/8 30/25+90/16 90/25+90/8 30/75+90/8 30/25+90/24 30/25+90/40 30/25+90/56