Add 6/90 and 25/28
6/90 + 25/28 is 403/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
6/90 = 6 × 14/90 × 14 = 84/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
25/28 = 25 × 45/28 × 45 = 1125/1260 - Add the two like fractions:
84/1260 + 1125/1260 = 84 + 1125/1260 = 1209/1260 - 1209/1260 simplified gives 403/420
- So, 6/90 + 25/28 = 403/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90+25/28 6/90+50/28 6/90+25/56 18/90+25/28 6/90+75/28 6/90+25/84 30/90+25/28 42/90+25/28