Add 98/5 and 45/18
1st number: 19 3/5, 2nd number: 2 9/18
98/5 + 45/18 is 221/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
98/5 = 98 × 18/5 × 18 = 1764/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Add the two like fractions:
1764/90 + 225/90 = 1764 + 225/90 = 1989/90 - 1989/90 simplified gives 221/10
- So, 98/5 + 45/18 = 221/10
In mixed form: 221/10
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