Add 9/28 and 15/40
9/28 + 15/40 is 39/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
9/28 = 9 × 10/28 × 10 = 90/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
90/280 + 105/280 = 90 + 105/280 = 195/280 - 195/280 simplified gives 39/56
- So, 9/28 + 15/40 = 39/56
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