Add 7/90 and 7/49
7/90 + 7/49 is 139/630.
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,
7/90 = 7 × 49/90 × 49 = 343/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
7/49 = 7 × 90/49 × 90 = 630/4410 - Add the two like fractions:
343/4410 + 630/4410 = 343 + 630/4410 = 973/4410 - 973/4410 simplified gives 139/630
- So, 7/90 + 7/49 = 139/630
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