Add 45/4 and 20/70
1st number: 11 1/4, 2nd number: 20/70
45/4 + 20/70 is 323/28.
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,
45/4 = 45 × 35/4 × 35 = 1575/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
20/70 = 20 × 2/70 × 2 = 40/140 - Add the two like fractions:
1575/140 + 40/140 = 1575 + 40/140 = 1615/140 - 1615/140 simplified gives 323/28
- So, 45/4 + 20/70 = 323/28
In mixed form: 1115/28
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