Add 12/49 and 21/90
12/49 + 21/90 is 703/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
12/49 = 12 × 90/49 × 90 = 1080/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
21/90 = 21 × 49/90 × 49 = 1029/4410 - Add the two like fractions:
1080/4410 + 1029/4410 = 1080 + 1029/4410 = 2109/4410 - 2109/4410 simplified gives 703/1470
- So, 12/49 + 21/90 = 703/1470
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