Add 9/4 and 15/70
1st number: 2 1/4, 2nd number: 15/70
9/4 + 15/70 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
9/4 = 9 × 35/4 × 35 = 315/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
15/70 = 15 × 2/70 × 2 = 30/140 - Add the two like fractions:
315/140 + 30/140 = 315 + 30/140 = 345/140 - 345/140 simplified gives 69/28
- So, 9/4 + 15/70 = 69/28
In mixed form: 213/28
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