Add 90/60 and 28/56
1st number: 1 30/60, 2nd number: 28/56
90/60 + 28/56 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
90/60 = 90 × 14/60 × 14 = 1260/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Add the two like fractions:
1260/840 + 420/840 = 1260 + 420/840 = 1680/840 - 1680/840 simplified gives 2/1
- So, 90/60 + 28/56 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+84/56