Add 30/63 and 42/98
30/63 + 42/98 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 63 × 14 = 882,
30/63 = 30 × 14/63 × 14 = 420/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
42/98 = 42 × 9/98 × 9 = 378/882 - Add the two like fractions:
420/882 + 378/882 = 420 + 378/882 = 798/882 - 798/882 simplified gives 19/21
- So, 30/63 + 42/98 = 19/21
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