Add 40/20 and 49/70
1st number: 2 0/20, 2nd number: 49/70
40/20 + 49/70 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 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 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Add the two like fractions:
280/140 + 98/140 = 280 + 98/140 = 378/140 - 378/140 simplified gives 27/10
- So, 40/20 + 49/70 = 27/10
In mixed form: 27/10
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