Add 4/90 and 8/56
4/90 + 8/56 is 59/315.
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,
4/90 = 4 × 28/90 × 28 = 112/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
8/56 = 8 × 45/56 × 45 = 360/2520 - Add the two like fractions:
112/2520 + 360/2520 = 112 + 360/2520 = 472/2520 - 472/2520 simplified gives 59/315
- So, 4/90 + 8/56 = 59/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+8/56 4/90+16/56 12/90+8/56 4/90+24/56 20/90+8/56 4/90+40/56 28/90+8/56