Add 18/16 and 20/90
1st number: 1 2/16, 2nd number: 20/90
18/16 + 20/90 is 97/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
18/16 = 18 × 45/16 × 45 = 810/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
20/90 = 20 × 8/90 × 8 = 160/720 - Add the two like fractions:
810/720 + 160/720 = 810 + 160/720 = 970/720 - 970/720 simplified gives 97/72
- So, 18/16 + 20/90 = 97/72
In mixed form: 125/72
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