Add 63/56 and 90/80
1st number: 1 7/56, 2nd number: 1 10/80
63/56 + 90/80 is 9/4.
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,
63/56 = 63 × 10/56 × 10 = 630/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
90/80 = 90 × 7/80 × 7 = 630/560 - Add the two like fractions:
630/560 + 630/560 = 630 + 630/560 = 1260/560 - 1260/560 simplified gives 9/4
- So, 63/56 + 90/80 = 9/4
In mixed form: 21/4
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