Add 20/25 and 21/18
1st number: 20/25, 2nd number: 1 3/18
20/25 + 21/18 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
20/25 = 20 × 18/25 × 18 = 360/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Add the two like fractions:
360/450 + 525/450 = 360 + 525/450 = 885/450 - 885/450 simplified gives 59/30
- So, 20/25 + 21/18 = 59/30
In mixed form: 129/30
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