Add 8/90 and 7/56
8/90 + 7/56 is 77/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
8/90 = 8 × 28/90 × 28 = 224/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
7/56 = 7 × 45/56 × 45 = 315/2520 - Add the two like fractions:
224/2520 + 315/2520 = 224 + 315/2520 = 539/2520 - 539/2520 simplified gives 77/360
- So, 8/90 + 7/56 = 77/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+7/56 8/90+14/56 24/90+7/56 8/90+21/56 40/90+7/56 8/90+35/56 56/90+7/56 8/90+49/56