Add 90/56 and 21/80
1st number: 1 34/56, 2nd number: 21/80
90/56 + 21/80 is 1047/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
90/56 = 90 × 10/56 × 10 = 900/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Add the two like fractions:
900/560 + 147/560 = 900 + 147/560 = 1047/560 - So, 90/56 + 21/80 = 1047/560
In mixed form: 1487/560
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