Add 5/40 and 20/18
1st number: 5/40, 2nd number: 1 2/18
5/40 + 20/18 is 89/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
20/18 = 20 × 20/18 × 20 = 400/360 - Add the two like fractions:
45/360 + 400/360 = 45 + 400/360 = 445/360 - 445/360 simplified gives 89/72
- So, 5/40 + 20/18 = 89/72
In mixed form: 117/72
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