Add 21/25 and 42/54
21/25 + 42/54 is 364/225.
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,
42/54 = 42 × 25/54 × 25 = 1050/1350 - Add the two like fractions:
1134/1350 + 1050/1350 = 1134 + 1050/1350 = 2184/1350 - 2184/1350 simplified gives 364/225
- So, 21/25 + 42/54 = 364/225
In mixed form: 1139/225
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