Add 21/9 and 90/49
1st number: 2 3/9, 2nd number: 1 41/49
21/9 + 90/49 is 613/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
21/9 = 21 × 49/9 × 49 = 1029/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
90/49 = 90 × 9/49 × 9 = 810/441 - Add the two like fractions:
1029/441 + 810/441 = 1029 + 810/441 = 1839/441 - 1839/441 simplified gives 613/147
- So, 21/9 + 90/49 = 613/147
In mixed form: 425/147
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