Add 80/18 and 45/30
1st number: 4 8/18, 2nd number: 1 15/30
80/18 + 45/30 is 107/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
400/90 + 135/90 = 400 + 135/90 = 535/90 - 535/90 simplified gives 107/18
- So, 80/18 + 45/30 = 107/18
In mixed form: 517/18
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