Add 4/10 and 8/90
4/10 + 8/90 is 22/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Add the two like fractions:
36/90 + 8/90 = 36 + 8/90 = 44/90 - 44/90 simplified gives 22/45
- So, 4/10 + 8/90 = 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+8/90 4/10+16/90 4/20+8/90 12/10+8/90 4/10+24/90 4/30+8/90 20/10+8/90 4/10+40/90 4/50+8/90 28/10+8/90 4/10+56/90 4/70+8/90