Add 25/28 and 35/40
25/28 + 35/40 is 99/56.
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,
25/28 = 25 × 10/28 × 10 = 250/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Add the two like fractions:
250/280 + 245/280 = 250 + 245/280 = 495/280 - 495/280 simplified gives 99/56
- So, 25/28 + 35/40 = 99/56
In mixed form: 143/56
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