Add 25/28 and 20/30
25/28 + 20/30 is 131/84.
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,
25/28 = 25 × 15/28 × 15 = 375/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
20/30 = 20 × 14/30 × 14 = 280/420 - Add the two like fractions:
375/420 + 280/420 = 375 + 280/420 = 655/420 - 655/420 simplified gives 131/84
- So, 25/28 + 20/30 = 131/84
In mixed form: 147/84
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