Add 21/63 and 90/98
21/63 + 90/98 is 184/147.
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,
21/63 = 21 × 14/63 × 14 = 294/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Add the two like fractions:
294/882 + 810/882 = 294 + 810/882 = 1104/882 - 1104/882 simplified gives 184/147
- So, 21/63 + 90/98 = 184/147
In mixed form: 137/147
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