Add 3/63 and 42/49
3/63 + 42/49 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
3/63 = 3 × 7/63 × 7 = 21/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
42/49 = 42 × 9/49 × 9 = 378/441 - Add the two like fractions:
21/441 + 378/441 = 21 + 378/441 = 399/441 - 399/441 simplified gives 19/21
- So, 3/63 + 42/49 = 19/21
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