Add 81/70 and 30/36
1st number: 1 11/70, 2nd number: 30/36
81/70 + 30/36 is 209/105.
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,
81/70 = 81 × 18/70 × 18 = 1458/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
30/36 = 30 × 35/36 × 35 = 1050/1260 - Add the two like fractions:
1458/1260 + 1050/1260 = 1458 + 1050/1260 = 2508/1260 - 2508/1260 simplified gives 209/105
- So, 81/70 + 30/36 = 209/105
In mixed form: 1104/105
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