Add 2/21 and 70/54
1st number: 2/21, 2nd number: 1 16/54
2/21 + 70/54 is 263/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
2/21 = 2 × 18/21 × 18 = 36/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Add the two like fractions:
36/378 + 490/378 = 36 + 490/378 = 526/378 - 526/378 simplified gives 263/189
- So, 2/21 + 70/54 = 263/189
In mixed form: 174/189
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