Add 98/70 and 20/30
1st number: 1 28/70, 2nd number: 20/30
98/70 + 20/30 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Add the two like fractions:
294/210 + 140/210 = 294 + 140/210 = 434/210 - 434/210 simplified gives 31/15
- So, 98/70 + 20/30 = 31/15
In mixed form: 21/15
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