Add 45/14 and 70/40
1st number: 3 3/14, 2nd number: 1 30/40
45/14 + 70/40 is 139/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
45/14 = 45 × 20/14 × 20 = 900/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
900/280 + 490/280 = 900 + 490/280 = 1390/280 - 1390/280 simplified gives 139/28
- So, 45/14 + 70/40 = 139/28
In mixed form: 427/28
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