Add 28/36 and 30/70
28/36 + 30/70 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
28/36 = 28 × 35/36 × 35 = 980/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
30/70 = 30 × 18/70 × 18 = 540/1260 - Add the two like fractions:
980/1260 + 540/1260 = 980 + 540/1260 = 1520/1260 - 1520/1260 simplified gives 76/63
- So, 28/36 + 30/70 = 76/63
In mixed form: 113/63
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