Add 15/75 and 21/56
15/75 + 21/56 is 23/40.
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,
15/75 = 15 × 56/75 × 56 = 840/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
21/56 = 21 × 75/56 × 75 = 1575/4200 - Add the two like fractions:
840/4200 + 1575/4200 = 840 + 1575/4200 = 2415/4200 - 2415/4200 simplified gives 23/40
- So, 15/75 + 21/56 = 23/40
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