Add 81/70 and 25/30
1st number: 1 11/70, 2nd number: 25/30
81/70 + 25/30 is 209/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
81/70 = 81 × 3/70 × 3 = 243/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210 - Add the two like fractions:
243/210 + 175/210 = 243 + 175/210 = 418/210 - 418/210 simplified gives 209/105
- So, 81/70 + 25/30 = 209/105
In mixed form: 1104/105
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