Add 49/90 and 70/20
1st number: 49/90, 2nd number: 3 10/20
49/90 + 70/20 is 182/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Add the two like fractions:
98/180 + 630/180 = 98 + 630/180 = 728/180 - 728/180 simplified gives 182/45
- So, 49/90 + 70/20 = 182/45
In mixed form: 42/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+70/20 49/90+70/40 49/90+70/60