Add 40/25 and 30/16
1st number: 1 15/25, 2nd number: 1 14/16
40/25 + 30/16 is 139/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
40/25 = 40 × 16/25 × 16 = 640/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
30/16 = 30 × 25/16 × 25 = 750/400 - Add the two like fractions:
640/400 + 750/400 = 640 + 750/400 = 1390/400 - 1390/400 simplified gives 139/40
- So, 40/25 + 30/16 = 139/40
In mixed form: 319/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25+30/16 40/25+60/16 40/50+30/16 40/25+30/32 40/25+90/16 40/75+30/16 40/25+30/48 40/25+30/80