Add 21/25 and 40/56
21/25 + 40/56 is 272/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
21/25 = 21 × 56/25 × 56 = 1176/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
40/56 = 40 × 25/56 × 25 = 1000/1400 - Add the two like fractions:
1176/1400 + 1000/1400 = 1176 + 1000/1400 = 2176/1400 - 2176/1400 simplified gives 272/175
- So, 21/25 + 40/56 = 272/175
In mixed form: 197/175
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