Add 21/75 and 45/56
21/75 + 45/56 is 1517/1400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
21/75 = 21 × 56/75 × 56 = 1176/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
45/56 = 45 × 75/56 × 75 = 3375/4200 - Add the two like fractions:
1176/4200 + 3375/4200 = 1176 + 3375/4200 = 4551/4200 - 4551/4200 simplified gives 1517/1400
- So, 21/75 + 45/56 = 1517/1400
In mixed form: 1117/1400
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