Add 20/18 and 60/40
1st number: 1 2/18, 2nd number: 1 20/40
20/18 + 60/40 is 47/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
20/18 = 20 × 20/18 × 20 = 400/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Add the two like fractions:
400/360 + 540/360 = 400 + 540/360 = 940/360 - 940/360 simplified gives 47/18
- So, 20/18 + 60/40 = 47/18
In mixed form: 211/18
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