Add 27/70 and 75/21
1st number: 27/70, 2nd number: 3 12/21
27/70 + 75/21 is 277/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
75/21 = 75 × 10/21 × 10 = 750/210 - Add the two like fractions:
81/210 + 750/210 = 81 + 750/210 = 831/210 - 831/210 simplified gives 277/70
- So, 27/70 + 75/21 = 277/70
In mixed form: 367/70
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