Add 84/45 and 28/70
1st number: 1 39/45, 2nd number: 28/70
84/45 + 28/70 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
1176/630 + 252/630 = 1176 + 252/630 = 1428/630 - 1428/630 simplified gives 34/15
- So, 84/45 + 28/70 = 34/15
In mixed form: 24/15
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