Add 3/30 and 20/28
3/30 + 20/28 is 57/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
3/30 = 3 × 14/30 × 14 = 42/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Add the two like fractions:
42/420 + 300/420 = 42 + 300/420 = 342/420 - 342/420 simplified gives 57/70
- So, 3/30 + 20/28 = 57/70
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