Add 7/70 and 21/15
1st number: 7/70, 2nd number: 1 6/15
7/70 + 21/15 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 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 15 × 14 = 210,
21/15 = 21 × 14/15 × 14 = 294/210 - Add the two like fractions:
21/210 + 294/210 = 21 + 294/210 = 315/210 - 315/210 simplified gives 3/2
- So, 7/70 + 21/15 = 3/2
In mixed form: 11/2
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