Add 10/15 and 90/56
1st number: 10/15, 2nd number: 1 34/56
10/15 + 90/56 is 191/84.
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,
10/15 = 10 × 56/15 × 56 = 560/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
560/840 + 1350/840 = 560 + 1350/840 = 1910/840 - 1910/840 simplified gives 191/84
- So, 10/15 + 90/56 = 191/84
In mixed form: 223/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+90/56 10/30+90/56 30/15+90/56 10/45+90/56 50/15+90/56 10/75+90/56 70/15+90/56