Add 45/14 and 21/81
1st number: 3 3/14, 2nd number: 21/81
45/14 + 21/81 is 1313/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
45/14 = 45 × 81/14 × 81 = 3645/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
21/81 = 21 × 14/81 × 14 = 294/1134 - Add the two like fractions:
3645/1134 + 294/1134 = 3645 + 294/1134 = 3939/1134 - 3939/1134 simplified gives 1313/378
- So, 45/14 + 21/81 = 1313/378
In mixed form: 3179/378
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