Add 81/21 and 10/49
1st number: 3 18/21, 2nd number: 10/49
81/21 + 10/49 is 199/49.
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,
81/21 = 81 × 7/21 × 7 = 567/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
10/49 = 10 × 3/49 × 3 = 30/147 - Add the two like fractions:
567/147 + 30/147 = 567 + 30/147 = 597/147 - 597/147 simplified gives 199/49
- So, 81/21 + 10/49 = 199/49
In mixed form: 43/49
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