Add 81/14 and 5/30
1st number: 5 11/14, 2nd number: 5/30
81/14 + 5/30 is 125/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
81/14 = 81 × 15/14 × 15 = 1215/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210 - Add the two like fractions:
1215/210 + 35/210 = 1215 + 35/210 = 1250/210 - 1250/210 simplified gives 125/21
- So, 81/14 + 5/30 = 125/21
In mixed form: 520/21
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