Add 98/80 and 63/28
1st number: 1 18/80, 2nd number: 2 7/28
98/80 + 63/28 is 139/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 28 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 28 × 20 = 560,
63/28 = 63 × 20/28 × 20 = 1260/560 - Add the two like fractions:
686/560 + 1260/560 = 686 + 1260/560 = 1946/560 - 1946/560 simplified gives 139/40
- So, 98/80 + 63/28 = 139/40
In mixed form: 319/40
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