Add 40/20 and 15/7
1st number: 2 0/20, 2nd number: 2 1/7
40/20 + 15/7 is 29/7.
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,
15/7 = 15 × 20/7 × 20 = 300/140 - Add the two like fractions:
280/140 + 300/140 = 280 + 300/140 = 580/140 - 580/140 simplified gives 29/7
- So, 40/20 + 15/7 = 29/7
In mixed form: 41/7
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