Add 42/56 and 80/40
1st number: 42/56, 2nd number: 2 0/40
42/56 + 80/40 is 11/4.
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,
42/56 = 42 × 5/56 × 5 = 210/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
80/40 = 80 × 7/40 × 7 = 560/280 - Add the two like fractions:
210/280 + 560/280 = 210 + 560/280 = 770/280 - 770/280 simplified gives 11/4
- So, 42/56 + 80/40 = 11/4
In mixed form: 23/4
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