Add 90/50 and 25/28
1st number: 1 40/50, 2nd number: 25/28
90/50 + 25/28 is 377/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
90/50 = 90 × 14/50 × 14 = 1260/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
25/28 = 25 × 25/28 × 25 = 625/700 - Add the two like fractions:
1260/700 + 625/700 = 1260 + 625/700 = 1885/700 - 1885/700 simplified gives 377/140
- So, 90/50 + 25/28 = 377/140
In mixed form: 297/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+50/28 90/50+25/56 90/50+75/28 90/50+25/84