Add 21/35 and 30/56
21/35 + 30/56 is 159/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
21/35 = 21 × 8/35 × 8 = 168/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Add the two like fractions:
168/280 + 150/280 = 168 + 150/280 = 318/280 - 318/280 simplified gives 159/140
- So, 21/35 + 30/56 = 159/140
In mixed form: 119/140
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