Add 72/90 and 28/98
72/90 + 28/98 is 38/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
72/90 = 72 × 49/90 × 49 = 3528/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
28/98 = 28 × 45/98 × 45 = 1260/4410 - Add the two like fractions:
3528/4410 + 1260/4410 = 3528 + 1260/4410 = 4788/4410 - 4788/4410 simplified gives 38/35
- So, 72/90 + 28/98 = 38/35
In mixed form: 13/35
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