Add 98/10 and 90/72
1st number: 9 8/10, 2nd number: 1 18/72
98/10 + 90/72 is 221/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
98/10 = 98 × 36/10 × 36 = 3528/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
3528/360 + 450/360 = 3528 + 450/360 = 3978/360 - 3978/360 simplified gives 221/20
- So, 98/10 + 90/72 = 221/20
In mixed form: 111/20
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