Add 21/25 and 20/54
21/25 + 20/54 is 817/675.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
21/25 = 21 × 54/25 × 54 = 1134/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
20/54 = 20 × 25/54 × 25 = 500/1350 - Add the two like fractions:
1134/1350 + 500/1350 = 1134 + 500/1350 = 1634/1350 - 1634/1350 simplified gives 817/675
- So, 21/25 + 20/54 = 817/675
In mixed form: 1142/675
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