Add 54/21 and 3/49
1st number: 2 12/21, 2nd number: 3/49
54/21 + 3/49 is 129/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
54/21 = 54 × 7/21 × 7 = 378/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
3/49 = 3 × 3/49 × 3 = 9/147 - Add the two like fractions:
378/147 + 9/147 = 378 + 9/147 = 387/147 - 387/147 simplified gives 129/49
- So, 54/21 + 3/49 = 129/49
In mixed form: 231/49
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