Add 30/70 and 42/56
30/70 + 42/56 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Add the two like fractions:
120/280 + 210/280 = 120 + 210/280 = 330/280 - 330/280 simplified gives 33/28
- So, 30/70 + 42/56 = 33/28
In mixed form: 15/28
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