Add 18/90 and 49/8
1st number: 18/90, 2nd number: 6 1/8
18/90 + 49/8 is 253/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
18/90 = 18 × 4/90 × 4 = 72/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
49/8 = 49 × 45/8 × 45 = 2205/360 - Add the two like fractions:
72/360 + 2205/360 = 72 + 2205/360 = 2277/360 - 2277/360 simplified gives 253/40
- So, 18/90 + 49/8 = 253/40
In mixed form: 613/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+49/8 18/90+98/8 18/90+49/16 54/90+49/8 18/90+49/24 18/90+49/40 18/90+49/56