Add 45/63 and 21/98
45/63 + 21/98 is 13/14.
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,
45/63 = 45 × 14/63 × 14 = 630/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Add the two like fractions:
630/882 + 189/882 = 630 + 189/882 = 819/882 - 819/882 simplified gives 13/14
- So, 45/63 + 21/98 = 13/14
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