Add 54/56 and 70/40
1st number: 54/56, 2nd number: 1 30/40
54/56 + 70/40 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
270/280 + 490/280 = 270 + 490/280 = 760/280 - 760/280 simplified gives 19/7
- So, 54/56 + 70/40 = 19/7
In mixed form: 25/7
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