Add 28/70 and 7/9
28/70 + 7/9 is 53/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
7/9 = 7 × 70/9 × 70 = 490/630 - Add the two like fractions:
252/630 + 490/630 = 252 + 490/630 = 742/630 - 742/630 simplified gives 53/45
- So, 28/70 + 7/9 = 53/45
In mixed form: 18/45
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