Add 20/50 and 21/18
1st number: 20/50, 2nd number: 1 3/18
20/50 + 21/18 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Add the two like fractions:
180/450 + 525/450 = 180 + 525/450 = 705/450 - 705/450 simplified gives 47/30
- So, 20/50 + 21/18 = 47/30
In mixed form: 117/30
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