Add 90/2 and 98/40
1st number: 45 0/2, 2nd number: 2 18/40
90/2 + 98/40 is 949/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
90/2 = 90 × 20/2 × 20 = 1800/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
98/40 = 98 × 1/40 × 1 = 98/40 - Add the two like fractions:
1800/40 + 98/40 = 1800 + 98/40 = 1898/40 - 1898/40 simplified gives 949/20
- So, 90/2 + 98/40 = 949/20
In mixed form: 479/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+98/40 90/2+98/80 90/6+98/40 90/10+98/40 90/14+98/40