Add 63/90 and 21/98
63/90 + 21/98 is 32/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
21/98 = 21 × 45/98 × 45 = 945/4410 - Add the two like fractions:
3087/4410 + 945/4410 = 3087 + 945/4410 = 4032/4410 - 4032/4410 simplified gives 32/35
- So, 63/90 + 21/98 = 32/35
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