Add 90/15 and 60/56
1st number: 6 0/15, 2nd number: 1 4/56
90/15 + 60/56 is 99/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
90/15 = 90 × 56/15 × 56 = 5040/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
60/56 = 60 × 15/56 × 15 = 900/840 - Add the two like fractions:
5040/840 + 900/840 = 5040 + 900/840 = 5940/840 - 5940/840 simplified gives 99/14
- So, 90/15 + 60/56 = 99/14
In mixed form: 71/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+60/56 90/45+60/56 90/75+60/56