Add 21/28 and 42/75
21/28 + 42/75 is 131/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
21/28 = 21 × 75/28 × 75 = 1575/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
42/75 = 42 × 28/75 × 28 = 1176/2100 - Add the two like fractions:
1575/2100 + 1176/2100 = 1575 + 1176/2100 = 2751/2100 - 2751/2100 simplified gives 131/100
- So, 21/28 + 42/75 = 131/100
In mixed form: 131/100
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