Add 14/56 and 84/90
14/56 + 84/90 is 71/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
14/56 = 14 × 45/56 × 45 = 630/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
84/90 = 84 × 28/90 × 28 = 2352/2520 - Add the two like fractions:
630/2520 + 2352/2520 = 630 + 2352/2520 = 2982/2520 - 2982/2520 simplified gives 71/60
- So, 14/56 + 84/90 = 71/60
In mixed form: 111/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+84/90 42/56+84/90 70/56+84/90 98/56+84/90