Add 3/90 and 21/49
3/90 + 21/49 is 97/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
3/90 = 3 × 49/90 × 49 = 147/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
21/49 = 21 × 90/49 × 90 = 1890/4410 - Add the two like fractions:
147/4410 + 1890/4410 = 147 + 1890/4410 = 2037/4410 - 2037/4410 simplified gives 97/210
- So, 3/90 + 21/49 = 97/210
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