Add 18/4 and 45/70
1st number: 4 2/4, 2nd number: 45/70
18/4 + 45/70 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
18/4 = 18 × 35/4 × 35 = 630/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
630/140 + 90/140 = 630 + 90/140 = 720/140 - 720/140 simplified gives 36/7
- So, 18/4 + 45/70 = 36/7
In mixed form: 51/7
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