Add 7/70 and 81/30
1st number: 7/70, 2nd number: 2 21/30
7/70 + 81/30 is 14/5.
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,
7/70 = 7 × 3/70 × 3 = 21/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
81/30 = 81 × 7/30 × 7 = 567/210 - Add the two like fractions:
21/210 + 567/210 = 21 + 567/210 = 588/210 - 588/210 simplified gives 14/5
- So, 7/70 + 81/30 = 14/5
In mixed form: 24/5
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