Add 42/9 and 21/49
1st number: 4 6/9, 2nd number: 21/49
42/9 + 21/49 is 107/21.
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,
42/9 = 42 × 49/9 × 49 = 2058/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441 - Add the two like fractions:
2058/441 + 189/441 = 2058 + 189/441 = 2247/441 - 2247/441 simplified gives 107/21
- So, 42/9 + 21/49 = 107/21
In mixed form: 52/21
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