Add 30/70 and 2/28
30/70 + 2/28 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Add the two like fractions:
60/140 + 10/140 = 60 + 10/140 = 70/140 - 70/140 simplified gives 1/2
- So, 30/70 + 2/28 = 1/2
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