Add 21/35 and 12/56
21/35 + 12/56 is 57/70.
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,
12/56 = 12 × 5/56 × 5 = 60/280 - Add the two like fractions:
168/280 + 60/280 = 168 + 60/280 = 228/280 - 228/280 simplified gives 57/70
- So, 21/35 + 12/56 = 57/70
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