Add 40/20 and 50/7
1st number: 2 0/20, 2nd number: 7 1/7
40/20 + 50/7 is 64/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
50/7 = 50 × 20/7 × 20 = 1000/140 - Add the two like fractions:
280/140 + 1000/140 = 280 + 1000/140 = 1280/140 - 1280/140 simplified gives 64/7
- So, 40/20 + 50/7 = 64/7
In mixed form: 91/7
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