Add 80/70 and 15/49
1st number: 1 10/70, 2nd number: 15/49
80/70 + 15/49 is 71/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
80/70 = 80 × 7/70 × 7 = 560/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
15/49 = 15 × 10/49 × 10 = 150/490 - Add the two like fractions:
560/490 + 150/490 = 560 + 150/490 = 710/490 - 710/490 simplified gives 71/49
- So, 80/70 + 15/49 = 71/49
In mixed form: 122/49
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