Add 64/28 and 70/30
1st number: 2 8/28, 2nd number: 2 10/30
64/28 + 70/30 is 97/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
64/28 = 64 × 15/28 × 15 = 960/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
70/30 = 70 × 14/30 × 14 = 980/420 - Add the two like fractions:
960/420 + 980/420 = 960 + 980/420 = 1940/420 - 1940/420 simplified gives 97/21
- So, 64/28 + 70/30 = 97/21
In mixed form: 413/21
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