Add 28/90 and 42/49
28/90 + 42/49 is 368/315.
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,
28/90 = 28 × 49/90 × 49 = 1372/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
42/49 = 42 × 90/49 × 90 = 3780/4410 - Add the two like fractions:
1372/4410 + 3780/4410 = 1372 + 3780/4410 = 5152/4410 - 5152/4410 simplified gives 368/315
- So, 28/90 + 42/49 = 368/315
In mixed form: 153/315
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