Add 15/49 and 90/70
1st number: 15/49, 2nd number: 1 20/70
15/49 + 90/70 is 78/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
15/49 = 15 × 10/49 × 10 = 150/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
90/70 = 90 × 7/70 × 7 = 630/490 - Add the two like fractions:
150/490 + 630/490 = 150 + 630/490 = 780/490 - 780/490 simplified gives 78/49
- So, 15/49 + 90/70 = 78/49
In mixed form: 129/49
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