Add 15/4 and 80/70
1st number: 3 3/4, 2nd number: 1 10/70
15/4 + 80/70 is 137/28.
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,
15/4 = 15 × 35/4 × 35 = 525/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
80/70 = 80 × 2/70 × 2 = 160/140 - Add the two like fractions:
525/140 + 160/140 = 525 + 160/140 = 685/140 - 685/140 simplified gives 137/28
- So, 15/4 + 80/70 = 137/28
In mixed form: 425/28
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