Add 81/14 and 36/90
1st number: 5 11/14, 2nd number: 36/90
81/14 + 36/90 is 433/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
81/14 = 81 × 45/14 × 45 = 3645/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
36/90 = 36 × 7/90 × 7 = 252/630 - Add the two like fractions:
3645/630 + 252/630 = 3645 + 252/630 = 3897/630 - 3897/630 simplified gives 433/70
- So, 81/14 + 36/90 = 433/70
In mixed form: 613/70
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