Add 18/16 and 80/90
1st number: 1 2/16, 2nd number: 80/90
18/16 + 80/90 is 145/72.
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,
80/90 = 80 × 8/90 × 8 = 640/720 - Add the two like fractions:
810/720 + 640/720 = 810 + 640/720 = 1450/720 - 1450/720 simplified gives 145/72
- So, 18/16 + 80/90 = 145/72
In mixed form: 21/72
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