Add 49/70 and 21/16
1st number: 49/70, 2nd number: 1 5/16
49/70 + 21/16 is 161/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
49/70 = 49 × 8/70 × 8 = 392/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
21/16 = 21 × 35/16 × 35 = 735/560 - Add the two like fractions:
392/560 + 735/560 = 392 + 735/560 = 1127/560 - 1127/560 simplified gives 161/80
- So, 49/70 + 21/16 = 161/80
In mixed form: 21/80
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