Add 70/5 and 40/28
1st number: 14 0/5, 2nd number: 1 12/28
70/5 + 40/28 is 108/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
70/5 = 70 × 28/5 × 28 = 1960/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Add the two like fractions:
1960/140 + 200/140 = 1960 + 200/140 = 2160/140 - 2160/140 simplified gives 108/7
- So, 70/5 + 40/28 = 108/7
In mixed form: 153/7
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