Add 40/70 and 63/16
1st number: 40/70, 2nd number: 3 15/16
40/70 + 63/16 is 505/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560 - For the 1st fraction, since 70 × 8 = 560,
40/70 = 40 × 8/70 × 8 = 320/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
63/16 = 63 × 35/16 × 35 = 2205/560 - Add the two fractions:
320/560 + 2205/560 = 320 + 2205/560 = 2525/560 - 2525/560 simplified gives 505/112
- So, 40/70 + 63/16 = 505/112
In mixed form: 457/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+63/16 40/70+63/32 40/70+63/48 40/70+63/80