Add 45/70 and 84/15
1st number: 45/70, 2nd number: 5 9/15
45/70 + 84/15 is 437/70.
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,
45/70 = 45 × 3/70 × 3 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
84/15 = 84 × 14/15 × 14 = 1176/210 - Add the two like fractions:
135/210 + 1176/210 = 135 + 1176/210 = 1311/210 - 1311/210 simplified gives 437/70
- So, 45/70 + 84/15 = 437/70
In mixed form: 617/70
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