Add 20/90 and 81/49
1st number: 20/90, 2nd number: 1 32/49
20/90 + 81/49 is 827/441.
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,
20/90 = 20 × 49/90 × 49 = 980/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
81/49 = 81 × 90/49 × 90 = 7290/4410 - Add the two like fractions:
980/4410 + 7290/4410 = 980 + 7290/4410 = 8270/4410 - 8270/4410 simplified gives 827/441
- So, 20/90 + 81/49 = 827/441
In mixed form: 1386/441
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