Add 15/7 and 28/70
1st number: 2 1/7, 2nd number: 28/70
15/7 + 28/70 is 89/35.
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,
15/7 = 15 × 10/7 × 10 = 150/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Add the two like fractions:
150/70 + 28/70 = 150 + 28/70 = 178/70 - 178/70 simplified gives 89/35
- So, 15/7 + 28/70 = 89/35
In mixed form: 219/35
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