Add 21/35 and 12/54
21/35 + 12/54 is 37/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
21/35 = 21 × 54/35 × 54 = 1134/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
12/54 = 12 × 35/54 × 35 = 420/1890 - Add the two like fractions:
1134/1890 + 420/1890 = 1134 + 420/1890 = 1554/1890 - 1554/1890 simplified gives 37/45
- So, 21/35 + 12/54 = 37/45
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