Add 63/70 and 45/16
1st number: 63/70, 2nd number: 2 13/16
63/70 + 45/16 is 297/80.
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,
63/70 = 63 × 8/70 × 8 = 504/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
45/16 = 45 × 35/16 × 35 = 1575/560 - Add the two like fractions:
504/560 + 1575/560 = 504 + 1575/560 = 2079/560 - 2079/560 simplified gives 297/80
- So, 63/70 + 45/16 = 297/80
In mixed form: 357/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+90/16 63/70+45/32 63/70+45/48 63/70+45/80