Add 18/25 and 21/36
18/25 + 21/36 is 391/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
18/25 = 18 × 36/25 × 36 = 648/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Add the two like fractions:
648/900 + 525/900 = 648 + 525/900 = 1173/900 - 1173/900 simplified gives 391/300
- So, 18/25 + 21/36 = 391/300
In mixed form: 191/300
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