Add 98/80 and 28/35
1st number: 1 18/80, 2nd number: 28/35
98/80 + 28/35 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
28/35 = 28 × 16/35 × 16 = 448/560 - Add the two like fractions:
686/560 + 448/560 = 686 + 448/560 = 1134/560 - 1134/560 simplified gives 81/40
- So, 98/80 + 28/35 = 81/40
In mixed form: 21/40
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