Add 40/4 and 16/90
1st number: 10 0/4, 2nd number: 16/90
40/4 + 16/90 is 458/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
40/4 = 40 × 45/4 × 45 = 1800/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
16/90 = 16 × 2/90 × 2 = 32/180 - Add the two like fractions:
1800/180 + 32/180 = 1800 + 32/180 = 1832/180 - 1832/180 simplified gives 458/45
- So, 40/4 + 16/90 = 458/45
In mixed form: 108/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+16/90 40/4+32/90 40/8+16/90 40/4+48/90 40/12+16/90 40/4+80/90 40/20+16/90 40/28+16/90