Add 98/70 and 9/72
1st number: 1 28/70, 2nd number: 9/72
98/70 + 9/72 is 61/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
98/70 = 98 × 36/70 × 36 = 3528/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
9/72 = 9 × 35/72 × 35 = 315/2520 - Add the two like fractions:
3528/2520 + 315/2520 = 3528 + 315/2520 = 3843/2520 - 3843/2520 simplified gives 61/40
- So, 98/70 + 9/72 = 61/40
In mixed form: 121/40
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