Add 70/80 and 56/35
1st number: 70/80, 2nd number: 1 21/35
70/80 + 56/35 is 99/40.
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,
70/80 = 70 × 7/80 × 7 = 490/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
56/35 = 56 × 16/35 × 16 = 896/560 - Add the two like fractions:
490/560 + 896/560 = 490 + 896/560 = 1386/560 - 1386/560 simplified gives 99/40
- So, 70/80 + 56/35 = 99/40
In mixed form: 219/40
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