Add 5/98 and 21/90
5/98 + 21/90 is 209/735.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
5/98 = 5 × 45/98 × 45 = 225/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
21/90 = 21 × 49/90 × 49 = 1029/4410 - Add the two like fractions:
225/4410 + 1029/4410 = 225 + 1029/4410 = 1254/4410 - 1254/4410 simplified gives 209/735
- So, 5/98 + 21/90 = 209/735
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