Add 3/7 and 45/70
3/7 + 45/70 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Add the two like fractions:
30/70 + 45/70 = 30 + 45/70 = 75/70 - 75/70 simplified gives 15/14
- So, 3/7 + 45/70 = 15/14
In mixed form: 11/14
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