Add 40/35 and 18/20
1st number: 1 5/35, 2nd number: 18/20
40/35 + 18/20 is 143/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
40/35 = 40 × 4/35 × 4 = 160/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
18/20 = 18 × 7/20 × 7 = 126/140 - Add the two like fractions:
160/140 + 126/140 = 160 + 126/140 = 286/140 - 286/140 simplified gives 143/70
- So, 40/35 + 18/20 = 143/70
In mixed form: 23/70
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