Add 10/15 and 98/70
1st number: 10/15, 2nd number: 1 28/70
10/15 + 98/70 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Add the two like fractions:
140/210 + 294/210 = 140 + 294/210 = 434/210 - 434/210 simplified gives 31/15
- So, 10/15 + 98/70 = 31/15
In mixed form: 21/15
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