Add 80/35 and 21/49
1st number: 2 10/35, 2nd number: 21/49
80/35 + 21/49 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
80/35 = 80 × 7/35 × 7 = 560/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
21/49 = 21 × 5/49 × 5 = 105/245 - Add the two like fractions:
560/245 + 105/245 = 560 + 105/245 = 665/245 - 665/245 simplified gives 19/7
- So, 80/35 + 21/49 = 19/7
In mixed form: 25/7
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