Add 27/90 and 42/49
27/90 + 42/49 is 81/70.
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,
27/90 = 27 × 49/90 × 49 = 1323/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
42/49 = 42 × 90/49 × 90 = 3780/4410 - Add the two like fractions:
1323/4410 + 3780/4410 = 1323 + 3780/4410 = 5103/4410 - 5103/4410 simplified gives 81/70
- So, 27/90 + 42/49 = 81/70
In mixed form: 111/70
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