Add 72/49 and 21/9
1st number: 1 23/49, 2nd number: 2 3/9
72/49 + 21/9 is 559/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
72/49 = 72 × 9/49 × 9 = 648/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
21/9 = 21 × 49/9 × 49 = 1029/441 - Add the two like fractions:
648/441 + 1029/441 = 648 + 1029/441 = 1677/441 - 1677/441 simplified gives 559/147
- So, 72/49 + 21/9 = 559/147
In mixed form: 3118/147
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