Add 45/21 and 27/70
1st number: 2 3/21, 2nd number: 27/70
45/21 + 27/70 is 177/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
45/21 = 45 × 10/21 × 10 = 450/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Add the two like fractions:
450/210 + 81/210 = 450 + 81/210 = 531/210 - 531/210 simplified gives 177/70
- So, 45/21 + 27/70 = 177/70
In mixed form: 237/70
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