Add 70/15 and 81/10
1st number: 4 10/15, 2nd number: 8 1/10
70/15 + 81/10 is 383/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Add the two like fractions:
140/30 + 243/30 = 140 + 243/30 = 383/30 - So, 70/15 + 81/10 = 383/30
In mixed form: 1223/30
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