Add 54/70 and 20/56
54/70 + 20/56 is 79/70.
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,
54/70 = 54 × 4/70 × 4 = 216/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
216/280 + 100/280 = 216 + 100/280 = 316/280 - 316/280 simplified gives 79/70
- So, 54/70 + 20/56 = 79/70
In mixed form: 19/70
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