Add 30/70 and 81/36
1st number: 30/70, 2nd number: 2 9/36
30/70 + 81/36 is 75/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
30/70 = 30 × 18/70 × 18 = 540/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
81/36 = 81 × 35/36 × 35 = 2835/1260 - Add the two like fractions:
540/1260 + 2835/1260 = 540 + 2835/1260 = 3375/1260 - 3375/1260 simplified gives 75/28
- So, 30/70 + 81/36 = 75/28
In mixed form: 219/28
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