Add 45/21 and 21/49
1st number: 2 3/21, 2nd number: 21/49
45/21 + 21/49 is 18/7.
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,
45/21 = 45 × 7/21 × 7 = 315/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
21/49 = 21 × 3/49 × 3 = 63/147 - Add the two like fractions:
315/147 + 63/147 = 315 + 63/147 = 378/147 - 378/147 simplified gives 18/7
- So, 45/21 + 21/49 = 18/7
In mixed form: 24/7
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